Artvasil09
a1d1baa869
- Stage 1: Eliminate fish-eye distortion with precomputed tangential ray offset table and fractional DDA depth - Stage 2: Full asset management in EblanStudio (stb_image/stb_image_write, 128x128 BGRA texture packaging, WAV sound manager) - Stage 3: Multi-level room streaming, LevelTransition/CELL_PORTAL trigger system, 16-frame screen fade to black - Stage 4: 60Hz cutscene engine in pure x86 ASM (v4 binary track, waypoint camera motion, shortest-arc pan, CP1251 Russian subtitles, letterbox overlay, audio) - Stage 5: EblanStudio cutscene timeline (F6) and windowless Live ASM Viewport over shared-memory IPC directly rendered into DX11 - Tooling & Tests: comprehensive regression test suite (94 editor + 107 engine tests), IPC tests, and cutscene demo
750 lines
16 KiB
PHP
750 lines
16 KiB
PHP
; ==============================================================================
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; EBLAN ENGINE - Texture Management & Procedural Texture Generator
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; ==============================================================================
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.code
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GenerateDefaultSpriteTextures PROTO
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; ------------------------------------------------------------------------------
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; GenerateDefaultTextures: Procedurally creates 128x128 32-bit BGRA textures
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; Zero external asset dependency - works out of the box on any machine!
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; ------------------------------------------------------------------------------
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GenerateDefaultTextures PROC uses ebx ecx edx esi edi
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LOCAL texBase:DWORD, px:DWORD, py:DWORD, color:DWORD
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mov edi, OFFSET textureBuffer
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mov ecx, MAX_TEXTURES * TEX_SIZE_BYTES / 4
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xor eax, eax
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rep stosd
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call GenerateDefaultSpriteTextures
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; --------------------------------------------------------------------------
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; Texture 1: Red Brick Wall
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; --------------------------------------------------------------------------
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mov eax, OFFSET textureBuffer
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add eax, 1 * TEX_SIZE_BYTES
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mov texBase, eax
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mov py, 0
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brick_y_loop:
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mov px, 0
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brick_x_loop:
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; Base brick color (Dark red/brown)
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mov color, 00852215h
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; Mortar lines horizontally every 16 pixels
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mov eax, py
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and eax, 15
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cmp eax, 0
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je set_mortar
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cmp eax, 1
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je set_mortar
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; Vertical mortar stagger: alternate every 16 rows
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mov edx, px
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mov eax, py
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and eax, 16
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jz @F
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add edx, 16 ; shift vertical joint by 16 px on odd rows
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@@:
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and edx, 31
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cmp edx, 0
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je set_mortar
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cmp edx, 1
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je set_mortar
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jmp apply_brick_noise
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set_mortar:
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mov color, 00555555h ; Gray mortar
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jmp write_brick_pixel
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apply_brick_noise:
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; Add subtle shade variation
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mov eax, px
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xor eax, py
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and eax, 7
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shl eax, 2
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add color, eax
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write_brick_pixel:
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; Write BGRA pixel to texture
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mov eax, py
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shl eax, 7 ; py * 128
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add eax, px
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shl eax, 2 ; * 4 bytes
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mov edi, texBase
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add edi, eax
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mov edx, color
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mov [edi], edx
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inc px
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cmp px, TEX_W
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jl brick_x_loop
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inc py
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cmp py, TEX_H
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jl brick_y_loop
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; --------------------------------------------------------------------------
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; Texture 2: Wood Planks
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; --------------------------------------------------------------------------
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mov eax, OFFSET textureBuffer
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add eax, 2 * TEX_SIZE_BYTES
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mov texBase, eax
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mov py, 0
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wood_y_loop:
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mov px, 0
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wood_x_loop:
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; Base wood color (Warm brown)
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mov color, 00683A12h
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; Plank seams every 32 horizontal pixels
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mov eax, px
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and eax, 31
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cmp eax, 0
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jne @F
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mov color, 00201005h ; Dark seam
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jmp write_wood_pixel
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@@:
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; Subtle wood grain variation based on py
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mov eax, py
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and eax, 3
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shl eax, 3
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add color, eax
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write_wood_pixel:
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mov eax, py
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shl eax, 7
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add eax, px
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shl eax, 2
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mov edi, texBase
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add edi, eax
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mov edx, color
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mov [edi], edx
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inc px
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cmp px, TEX_W
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jl wood_x_loop
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inc py
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cmp py, TEX_H
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jl wood_y_loop
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; --------------------------------------------------------------------------
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; Texture 3: Stone / Cobblestone
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; --------------------------------------------------------------------------
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mov eax, OFFSET textureBuffer
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add eax, 3 * TEX_SIZE_BYTES
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mov texBase, eax
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mov py, 0
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stone_y_loop:
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mov px, 0
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stone_x_loop:
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; Base gray
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mov color, 00555555h
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; Stone border grid (32x32 blocks)
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mov eax, px
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and eax, 31
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test eax, eax
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jz set_stone_border
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mov eax, py
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and eax, 31
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test eax, eax
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jz set_stone_border
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; Noise
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mov eax, px
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imul eax, 3
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add eax, py
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and eax, 15
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shl eax, 2
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add color, eax
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jmp write_stone_pixel
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set_stone_border:
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mov color, 00222222h
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write_stone_pixel:
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mov eax, py
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shl eax, 7
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add eax, px
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shl eax, 2
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mov edi, texBase
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add edi, eax
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mov edx, color
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mov [edi], edx
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inc px
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cmp px, TEX_W
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jl stone_x_loop
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inc py
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cmp py, TEX_H
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jl stone_y_loop
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; --------------------------------------------------------------------------
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; Texture 4: Metal Tech / Rivets
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; --------------------------------------------------------------------------
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mov eax, OFFSET textureBuffer
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add eax, 4 * TEX_SIZE_BYTES
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mov texBase, eax
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mov py, 0
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metal_y_loop:
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mov px, 0
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metal_x_loop:
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; Base metal slate (blue-gray)
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mov color, 00606570h
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; Rivets near corners (10, 10) and (118, 118)
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; Check if within 4 pixels of a rivet center
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mov eax, px
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sub eax, 10
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imul eax, eax
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mov edx, py
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sub edx, 10
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imul edx, edx
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add eax, edx
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cmp eax, 16
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jle set_rivet
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mov eax, px
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sub eax, 118
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imul eax, eax
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mov edx, py
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sub edx, 118
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imul edx, edx
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add eax, edx
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cmp eax, 16
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jle set_rivet
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jmp write_metal_pixel
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set_rivet:
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mov color, 00A0B0C0h ; Shiny rivet highlight
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write_metal_pixel:
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mov eax, py
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shl eax, 7
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add eax, px
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shl eax, 2
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mov edi, texBase
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add edi, eax
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mov edx, color
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mov [edi], edx
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inc px
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cmp px, TEX_W
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jl metal_x_loop
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inc py
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cmp py, TEX_H
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jl metal_y_loop
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; --------------------------------------------------------------------------
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; Texture 5: Door
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; --------------------------------------------------------------------------
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mov eax, OFFSET textureBuffer
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add eax, 5 * TEX_SIZE_BYTES
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mov texBase, eax
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mov py, 0
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door_y_loop:
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mov px, 0
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door_x_loop:
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; Door frame (outer 8 pixels)
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mov eax, px
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cmp eax, 8
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jl set_door_frame
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cmp eax, 120
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jge set_door_frame
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mov eax, py
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cmp eax, 8
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jl set_door_frame
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; Door body (Deep wood)
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mov color, 00502D15h
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; Brass door knob at (px=100, py=64)
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mov eax, px
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sub eax, 100
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imul eax, eax
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mov edx, py
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sub edx, 64
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imul edx, edx
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add eax, edx
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cmp eax, 36
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jle set_brass_knob
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jmp write_door_pixel
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set_door_frame:
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mov color, 00333333h
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jmp write_door_pixel
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set_brass_knob:
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mov color, 00FFD000h ; Gold / Brass
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write_door_pixel:
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mov eax, py
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shl eax, 7
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add eax, px
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shl eax, 2
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mov edi, texBase
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add edi, eax
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mov edx, color
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mov [edi], edx
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inc px
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cmp px, TEX_W
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jl door_x_loop
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inc py
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cmp py, TEX_H
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jl door_y_loop
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; --------------------------------------------------------------------------
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; Texture 7: Pillar / Marble Mosaic
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; --------------------------------------------------------------------------
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mov eax, OFFSET textureBuffer
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add eax, 7 * TEX_SIZE_BYTES
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mov texBase, eax
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mov py, 0
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pillar_y_loop:
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mov px, 0
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pillar_x_loop:
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; Vertical fluted pillar pattern
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mov eax, px
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and eax, 15
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cmp eax, 8
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jl set_pillar_light
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mov color, 00408090h ; Dark turquoise
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jmp write_pillar_pixel
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set_pillar_light:
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mov color, 0070B0C0h ; Light turquoise
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write_pillar_pixel:
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mov eax, py
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shl eax, 7
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add eax, px
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shl eax, 2
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mov edi, texBase
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add edi, eax
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mov edx, color
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mov [edi], edx
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inc px
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cmp px, TEX_W
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jl pillar_x_loop
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inc py
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cmp py, TEX_H
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jl pillar_y_loop
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; --------------------------------------------------------------------------
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; Texture 8: Glass (framed pane with diagonal shine)
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; --------------------------------------------------------------------------
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mov eax, OFFSET textureBuffer
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add eax, 8 * TEX_SIZE_BYTES
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mov texBase, eax
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mov py, 0
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glass_y_loop:
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mov px, 0
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glass_x_loop:
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; Base: dark blue-green tinted glass
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mov color, 00403020h
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; Metal frame (outer 6 pixels)
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mov eax, px
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cmp eax, 6
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jl set_glass_frame
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cmp eax, 122
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jge set_glass_frame
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mov eax, py
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cmp eax, 6
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jl set_glass_frame
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cmp eax, 122
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jge set_glass_frame
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; Diagonal shine streaks: (px + py) mod 64 in [0..3] or [24..27]
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mov eax, px
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add eax, py
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and eax, 63
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cmp eax, 4
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jl set_glass_shine
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cmp eax, 24
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jl write_glass_pixel
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cmp eax, 28
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jl set_glass_shine
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jmp write_glass_pixel
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set_glass_frame:
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mov color, 00606060h ; Steel frame
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jmp write_glass_pixel
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set_glass_shine:
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mov color, 00907050h ; Bright reflection streak
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write_glass_pixel:
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mov eax, py
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shl eax, 7
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add eax, px
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shl eax, 2
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mov edi, texBase
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add edi, eax
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mov edx, color
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mov [edi], edx
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inc px
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cmp px, TEX_W
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jl glass_x_loop
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inc py
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cmp py, TEX_H
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jl glass_y_loop
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; --------------------------------------------------------------------------
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; Texture 9: Marble (cream slab with dark veins)
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; --------------------------------------------------------------------------
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mov eax, OFFSET textureBuffer
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add eax, 9 * TEX_SIZE_BYTES
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mov texBase, eax
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mov py, 0
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marble_y_loop:
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mov px, 0
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marble_x_loop:
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; Base: cream marble
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mov color, 00D8D0C0h
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; Veins: wandering pseudo-noise lines
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mov eax, px
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imul eax, 7
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mov edx, py
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imul edx, 13
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add eax, edx
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mov edx, eax
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shr edx, 3
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add eax, edx
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and eax, 63
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cmp eax, 2
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jbe set_marble_vein
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cmp eax, 40
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jne marble_polish
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; Single-pixel hairline vein
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jmp set_marble_vein
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marble_polish:
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; Subtle polish variation
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mov eax, px
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xor eax, py
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and eax, 3
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add color, eax
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jmp write_marble_pixel
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set_marble_vein:
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mov color, 00555555h ; Dark gray vein
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write_marble_pixel:
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mov eax, py
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shl eax, 7
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add eax, px
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shl eax, 2
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mov edi, texBase
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add edi, eax
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mov edx, color
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mov [edi], edx
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inc px
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cmp px, TEX_W
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jl marble_x_loop
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inc py
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cmp py, TEX_H
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jl marble_y_loop
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; --------------------------------------------------------------------------
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; Texture 10: Portal / Dimensional Vortex (Swirling purple / cyan stargate)
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; --------------------------------------------------------------------------
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mov texBase, OFFSET portalTextureBuffer
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mov py, 0
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portal_y_loop:
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mov px, 0
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portal_x_loop:
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; Base: deep cosmic dark purple
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mov color, 002A0835h
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; Stone arch frame on outer 8 pixels
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mov eax, px
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cmp eax, 8
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jl set_portal_arch
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cmp eax, 120
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jge set_portal_arch
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mov eax, py
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cmp eax, 8
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jl set_portal_arch
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; Calculate distance from center (64, 64)
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mov eax, px
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sub eax, 64
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imul eax, eax
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mov edx, py
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sub edx, 64
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imul edx, edx
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add eax, edx ; r^2 = dx^2 + dy^2
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; Concentric glowing energy rings
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cmp eax, 2500 ; r ~ 50
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jg write_portal_pixel
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and eax, 15
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cmp eax, 3
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jg @F
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mov color, 00D030F0h ; Bright violet energy ring
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jmp write_portal_pixel
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@@:
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cmp eax, 8
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jg write_portal_pixel
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mov color, 00E0E040h ; Cyan shimmer
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jmp write_portal_pixel
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set_portal_arch:
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mov color, 00484852h ; Carved rune stone arch
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write_portal_pixel:
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mov eax, py
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shl eax, 7
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add eax, px
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shl eax, 2
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mov edi, texBase
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add edi, eax
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mov edx, color
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mov [edi], edx
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inc px
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cmp px, TEX_W
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jl portal_x_loop
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inc py
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cmp py, TEX_H
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jl portal_y_loop
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ret
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GenerateDefaultTextures ENDP
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; ------------------------------------------------------------------------------
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; LoadTexturePack: Optionally overrides procedural textures with
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; assets/textures/texturepack.bin (see tools/make_texturepack.py).
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; Layout: dd magic 'EBTX', dw version (1), dw slotCount,
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; then slotCount * 65536 bytes (128x128 BGRA per slot, slot 0 first).
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; Returns: eax = 1 if pack loaded, 0 if procedural textures stay active.
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; ------------------------------------------------------------------------------
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LoadTexturePack PROC uses ebx ecx edx esi edi
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LOCAL hFile:DWORD, bytesRead:DWORD
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LOCAL magic:DWORD, pkVersion:WORD, slotCount:WORD
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LOCAL payloadBytes:DWORD
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mov texPackLoaded, 0
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invoke CreateFileA, OFFSET szTexPackPath, GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0
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mov hFile, eax
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cmp eax, INVALID_HANDLE_VALUE
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je pack_fail
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invoke ReadFile, hFile, ADDR magic, 4, ADDR bytesRead, 0
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test eax, eax
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jz pack_close_fail
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cmp bytesRead, 4
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jne pack_close_fail
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cmp magic, TEXPACK_MAGIC
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jne pack_close_fail
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invoke ReadFile, hFile, ADDR pkVersion, 2, ADDR bytesRead, 0
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test eax, eax
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jz pack_close_fail
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cmp bytesRead, 2
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jne pack_close_fail
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cmp pkVersion, 1
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jne pack_close_fail
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invoke ReadFile, hFile, ADDR slotCount, 2, ADDR bytesRead, 0
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test eax, eax
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jz pack_close_fail
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cmp bytesRead, 2
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jne pack_close_fail
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movzx eax, slotCount
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test eax, eax
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jz pack_close_fail
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cmp eax, MAX_TEXTURES
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ja pack_close_fail
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shl eax, 16
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mov payloadBytes, eax
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add eax, 8
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mov ebx, eax
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invoke GetFileSize, hFile, 0
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cmp eax, ebx
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|
jne pack_close_fail
|
|
|
|
; Commit only after the complete payload has been read successfully.
|
|
invoke ReadFile, hFile, OFFSET texturePackStaging, payloadBytes, ADDR bytesRead, 0
|
|
test eax, eax
|
|
jz pack_close_fail
|
|
mov eax, payloadBytes
|
|
cmp bytesRead, eax
|
|
jne pack_close_fail
|
|
mov esi, OFFSET texturePackStaging
|
|
mov edi, OFFSET textureBuffer
|
|
mov ecx, payloadBytes
|
|
shr ecx, 2
|
|
rep movsd
|
|
invoke CloseHandle, hFile
|
|
mov texPackLoaded, 1
|
|
mov eax, 1
|
|
ret
|
|
pack_close_fail:
|
|
invoke CloseHandle, hFile
|
|
pack_fail:
|
|
xor eax, eax
|
|
ret
|
|
LoadTexturePack ENDP
|
|
|
|
; Slots 10..15 remain sprite slots even when the map contains portals.
|
|
GenerateDefaultSpriteTextures PROC uses eax ebx ecx edx esi edi
|
|
LOCAL px:DWORD, py:DWORD, slot:DWORD, color:DWORD
|
|
mov edi, OFFSET textureBuffer + 10 * TEX_SIZE_BYTES
|
|
mov ecx, 6 * TEX_SIZE_BYTES / 4
|
|
mov eax, COLOR_CHROMA_KEY
|
|
rep stosd
|
|
mov slot, 10
|
|
sprite_default_slot:
|
|
mov py, 0
|
|
sprite_default_y:
|
|
mov px, 0
|
|
sprite_default_x:
|
|
mov color, COLOR_CHROMA_KEY
|
|
cmp slot, 10
|
|
jne default_barrel
|
|
cmp px, 60
|
|
jl lamp_shade
|
|
cmp px, 68
|
|
jge lamp_shade
|
|
cmp py, 40
|
|
jl lamp_shade
|
|
cmp py, 120
|
|
jge lamp_shade
|
|
mov color, 00404040h
|
|
lamp_shade:
|
|
cmp px, 48
|
|
jl lamp_foot
|
|
cmp px, 80
|
|
jge lamp_foot
|
|
cmp py, 16
|
|
jl lamp_foot
|
|
cmp py, 44
|
|
jge lamp_foot
|
|
mov color, 00FFC030h
|
|
lamp_foot:
|
|
cmp px, 52
|
|
jl default_sprite_write
|
|
cmp px, 76
|
|
jge default_sprite_write
|
|
cmp py, 120
|
|
jl default_sprite_write
|
|
cmp py, 126
|
|
jge default_sprite_write
|
|
mov color, 00303030h
|
|
jmp default_sprite_write
|
|
|
|
default_barrel:
|
|
cmp slot, 11
|
|
jne default_statue
|
|
mov eax, px
|
|
sub eax, 64
|
|
imul eax, eax
|
|
imul eax, 2704
|
|
mov ebx, py
|
|
sub ebx, 70
|
|
imul ebx, ebx
|
|
imul ebx, 1156
|
|
add eax, ebx
|
|
cmp eax, 3125824
|
|
jg default_sprite_write
|
|
mov color, 006A401Eh
|
|
mov eax, py
|
|
sub eax, 70
|
|
cdq
|
|
xor eax, edx
|
|
sub eax, edx
|
|
cmp eax, 29
|
|
jl barrel_highlight
|
|
cmp eax, 35
|
|
jg barrel_highlight
|
|
mov color, 00555555h
|
|
jmp default_sprite_write
|
|
barrel_highlight:
|
|
cmp px, 53
|
|
jge default_sprite_write
|
|
cmp eax, 26
|
|
jge default_sprite_write
|
|
mov color, 008A5A2Eh
|
|
jmp default_sprite_write
|
|
|
|
default_statue:
|
|
cmp px, 44
|
|
jl statue_body
|
|
cmp px, 84
|
|
jge statue_body
|
|
cmp py, 112
|
|
jl statue_body
|
|
cmp py, 126
|
|
jge statue_body
|
|
mov color, 00606060h
|
|
statue_body:
|
|
cmp px, 54
|
|
jl statue_head
|
|
cmp px, 74
|
|
jge statue_head
|
|
cmp py, 40
|
|
jl statue_head
|
|
cmp py, 112
|
|
jge statue_head
|
|
mov eax, px
|
|
xor eax, py
|
|
and eax, 7
|
|
add eax, 08Ah
|
|
imul eax, 010101h
|
|
mov color, eax
|
|
statue_head:
|
|
mov eax, px
|
|
sub eax, 64
|
|
imul eax, eax
|
|
mov ebx, py
|
|
sub ebx, 28
|
|
imul ebx, ebx
|
|
add eax, ebx
|
|
cmp eax, 100
|
|
jg default_sprite_write
|
|
mov color, 009A9A9Ah
|
|
|
|
default_sprite_write:
|
|
mov edi, slot
|
|
shl edi, 16
|
|
mov eax, py
|
|
shl eax, 7
|
|
add eax, px
|
|
shl eax, 2
|
|
add edi, eax
|
|
mov eax, color
|
|
mov DWORD PTR [textureBuffer + edi], eax
|
|
inc px
|
|
cmp px, TEX_W
|
|
jl sprite_default_x
|
|
inc py
|
|
cmp py, TEX_H
|
|
jl sprite_default_y
|
|
inc slot
|
|
cmp slot, 13
|
|
jl sprite_default_slot
|
|
ret
|
|
GenerateDefaultSpriteTextures ENDP
|