349 lines
8.2 KiB
PHP
349 lines
8.2 KiB
PHP
; ==============================================================================
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; EBLAN ENGINE - Input System (Keyboard via GetAsyncKeyState)
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; ==============================================================================
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.code
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; ------------------------------------------------------------------------------
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; PollInput: Reads keyboard state and updates movement & action flags
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; ------------------------------------------------------------------------------
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PollInput PROC uses eax ebx
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mov keyForward, 0
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mov keyBackward, 0
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mov keyStrafeLeft, 0
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mov keyStrafeRight, 0
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mov keyTurnLeft, 0
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mov keyTurnRight, 0
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mov keyRun, 0
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mov keyAction, 0
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mov keyScreenshot, 0
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mov keyCutscene, 0
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mov keySkipScene, 0
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mov keyAttack, 0
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mov keyRestart, 0
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invoke GetForegroundWindow
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cmp eax, hEngineWnd
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je input_has_focus
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mov keyActionHeld, 0
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mov keyMapHeld, 0
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mov keyShotHeld, 0
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mov keySceneHeld, 0
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mov keySkipHeld, 0
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mov keyAttackHeld, 0
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mov keyRestartHeld, 0
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ret
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input_has_focus:
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; 1. Forward (W / Up Arrow)
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invoke GetAsyncKeyState, VK_KEY_W
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mov bx, ax
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invoke GetAsyncKeyState, VK_KEY_UP
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or bx, ax
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test bx, 8000h
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jz @F
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mov keyForward, 1
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@@:
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; 2. Backward (S / Down Arrow)
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invoke GetAsyncKeyState, VK_KEY_S
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mov bx, ax
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invoke GetAsyncKeyState, VK_KEY_DOWN
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or bx, ax
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test bx, 8000h
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jz @F
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mov keyBackward, 1
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@@:
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; 3. Strafe Left (A)
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invoke GetAsyncKeyState, VK_KEY_A
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test ax, 8000h
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jz @F
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mov keyStrafeLeft, 1
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@@:
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; 4. Strafe Right (D)
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invoke GetAsyncKeyState, VK_KEY_D
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test ax, 8000h
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jz @F
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mov keyStrafeRight, 1
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@@:
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; 5. Turn Left (Left Arrow)
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invoke GetAsyncKeyState, VK_KEY_LEFT
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test ax, 8000h
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jz @F
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mov keyTurnLeft, 1
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@@:
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; 6. Turn Right (Right Arrow)
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invoke GetAsyncKeyState, VK_KEY_RIGHT
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test ax, 8000h
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jz @F
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mov keyTurnRight, 1
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@@:
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; Actions are emitted once per physical press (also for E + Space).
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invoke GetAsyncKeyState, VK_KEY_E
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mov bx, ax
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invoke GetAsyncKeyState, VK_KEY_SPACE
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or bx, ax
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test bx, 8000h
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jz action_released
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cmp keyActionHeld, 0
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jne action_sampled
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mov keyAction, 1
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mov keyActionHeld, 1
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jmp action_sampled
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action_released:
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mov keyActionHeld, 0
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action_sampled:
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; 8. Run / Sprint (Shift)
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invoke GetAsyncKeyState, VK_KEY_SHIFT
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test ax, 8000h
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jz @F
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mov keyRun, 1
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@@:
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invoke GetAsyncKeyState, VK_KEY_M
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test ax, 8000h
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jz map_key_released
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cmp keyMapHeld, 0
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jne map_key_sampled
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xor keyShowMap, 1
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mov keyMapHeld, 1
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jmp map_key_sampled
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map_key_released:
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mov keyMapHeld, 0
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map_key_sampled:
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invoke GetAsyncKeyState, VK_KEY_F12
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test ax, 8000h
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jz shot_key_released
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cmp keyShotHeld, 0
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jne shot_key_sampled
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mov keyScreenshot, 1
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mov keyShotHeld, 1
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jmp shot_key_sampled
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shot_key_released:
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mov keyShotHeld, 0
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shot_key_sampled:
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invoke GetAsyncKeyState, VK_KEY_C
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test ax, 8000h
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jz scene_key_released
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cmp keySceneHeld, 0
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jne scene_key_sampled
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mov keyCutscene, 1
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mov keySceneHeld, 1
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jmp scene_key_sampled
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scene_key_released:
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mov keySceneHeld, 0
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scene_key_sampled:
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invoke GetAsyncKeyState, VK_KEY_TAB
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test ax, 8000h
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jz skip_key_released
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cmp keySkipHeld, 0
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jne skip_key_sampled
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mov keySkipScene, 1
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mov keySkipHeld, 1
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jmp skip_key_sampled
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skip_key_released:
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mov keySkipHeld, 0
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skip_key_sampled:
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; Attack Key: Space or Ctrl or Left Mouse Button
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invoke GetAsyncKeyState, VK_KEY_SPACE
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mov bx, ax
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invoke GetAsyncKeyState, VK_KEY_CONTROL
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or bx, ax
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invoke GetAsyncKeyState, VK_LBUTTON
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or bx, ax
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test bx, 8000h
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jz attack_released
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cmp keyAttackHeld, 0
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jne attack_sampled
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mov keyAttack, 1
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mov keyAttackHeld, 1
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jmp attack_sampled
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attack_released:
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mov keyAttackHeld, 0
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attack_sampled:
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; Restart Key: R
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invoke GetAsyncKeyState, VK_KEY_R
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test ax, 8000h
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jz restart_released
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cmp keyRestartHeld, 0
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jne restart_sampled
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mov keyRestart, 1
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mov keyRestartHeld, 1
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jmp restart_sampled
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restart_released:
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mov keyRestartHeld, 0
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restart_sampled:
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; F1 / H: Toggle Clean HUD vs Debug HUD
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invoke GetAsyncKeyState, VK_KEY_F1
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mov bx, ax
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invoke GetAsyncKeyState, VK_KEY_H
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or bx, ax
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test bx, 8000h
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jz hud_key_released
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cmp keyHudStyleHeld, 0
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jne hud_key_sampled
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xor hudStyle, 1
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mov keyHudStyleHeld, 1
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cmp hudStyle, HUD_STYLE_CLEAN
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je toast_hud_clean
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invoke ShowGameToast, OFFSET szHudDebugToast, 60, COLOR_CYAN
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jmp hud_key_sampled
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toast_hud_clean:
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invoke ShowGameToast, OFFSET szHudCleanToast, 60, COLOR_GREEN
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jmp hud_key_sampled
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hud_key_released:
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mov keyHudStyleHeld, 0
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hud_key_sampled:
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; Weapon Selection Keys: 1, 2, 3 (only in Action mode with weapons enabled)
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cmp gameMode, GAME_MODE_ACTION
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jne skip_weapon_select
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cmp enableWeapons, 0
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je skip_weapon_select
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invoke GetAsyncKeyState, VK_KEY_1
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test ax, 8000h
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jz @F
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mov playerWeapon, WEAPON_KNIFE
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@@:
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invoke GetAsyncKeyState, VK_KEY_2
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test ax, 8000h
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jz @F
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mov playerWeapon, WEAPON_PISTOL
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@@:
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invoke GetAsyncKeyState, VK_KEY_3
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test ax, 8000h
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jz @F
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mov playerWeapon, WEAPON_SHOTGUN
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@@:
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skip_weapon_select:
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; Escape / Pause Key
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invoke GetAsyncKeyState, VK_KEY_ESCAPE
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test ax, 8000h
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jz pause_key_released
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cmp keyPauseHeld, 0
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jne pause_key_sampled
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xor isGamePaused, 1
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mov keyPauseHeld, 1
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jmp pause_key_sampled
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pause_key_released:
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mov keyPauseHeld, 0
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pause_key_sampled:
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; If paused, handle pause menu choices
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cmp isGamePaused, 0
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je not_in_pause_menu
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; While paused, mask normal movement & attack
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mov keyForward, 0
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mov keyBackward, 0
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mov keyStrafeLeft, 0
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mov keyStrafeRight, 0
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mov keyTurnLeft, 0
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mov keyTurnRight, 0
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mov keyAttack, 0
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mov keyAction, 0
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; Check if any menu key is pressed
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invoke GetAsyncKeyState, VK_KEY_1
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mov bx, ax
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invoke GetAsyncKeyState, VK_KEY_2
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or bx, ax
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invoke GetAsyncKeyState, VK_KEY_3
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or bx, ax
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invoke GetAsyncKeyState, VK_KEY_4
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or bx, ax
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invoke GetAsyncKeyState, VK_KEY_5
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or bx, ax
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test bx, 8000h
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jz menu_keys_released
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; If a key is pressed, check if already held
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cmp keyMenuHeld, 0
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jne pause_menu_done
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mov keyMenuHeld, 1
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; Option 1: Resume
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invoke GetAsyncKeyState, VK_KEY_1
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test ax, 8000h
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jz @F
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mov isGamePaused, 0
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jmp pause_menu_done
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@@:
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; Option 2: Toggle Weapons / Peaceful Mode
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invoke GetAsyncKeyState, VK_KEY_2
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test ax, 8000h
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jz @F
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xor enableWeapons, 1
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cmp enableWeapons, 0
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je set_peaceful_mode
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mov gameMode, GAME_MODE_ACTION
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mov playerWeapon, WEAPON_PISTOL
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mov showCrosshair, 1
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invoke ShowGameToast, OFFSET szWeaponsEnabledToast, 80, COLOR_YELLOW
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jmp pause_menu_done
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set_peaceful_mode:
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mov gameMode, GAME_MODE_ADVENTURE
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mov playerWeapon, WEAPON_NONE
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mov showCrosshair, 0
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invoke ShowGameToast, OFFSET szWeaponsDisabledToast, 80, COLOR_GREEN
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jmp pause_menu_done
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@@:
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; Option 3: Toggle HUD (Clean vs Debug)
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invoke GetAsyncKeyState, VK_KEY_3
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test ax, 8000h
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jz @F
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xor hudStyle, 1
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cmp hudStyle, HUD_STYLE_CLEAN
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je toast_pause_clean
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invoke ShowGameToast, OFFSET szHudDebugToast, 60, COLOR_CYAN
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jmp pause_menu_done
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toast_pause_clean:
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invoke ShowGameToast, OFFSET szHudCleanToast, 60, COLOR_GREEN
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jmp pause_menu_done
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@@:
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; Option 4: Restart level
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invoke GetAsyncKeyState, VK_KEY_4
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test ax, 8000h
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jz @F
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mov isGamePaused, 0
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mov keyRestart, 1
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jmp pause_menu_done
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@@:
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; Option 5: Quit to Windows
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invoke GetAsyncKeyState, VK_KEY_5
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test ax, 8000h
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jz pause_menu_done
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mov isRunning, 0
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jmp pause_menu_done
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menu_keys_released:
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mov keyMenuHeld, 0
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pause_menu_done:
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ret
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not_in_pause_menu:
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cmp isCutsceneActive, 0
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je normal_keys_enabled
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mov keyForward, 0
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mov keyBackward, 0
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mov keyStrafeLeft, 0
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mov keyStrafeRight, 0
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mov keyTurnLeft, 0
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mov keyTurnRight, 0
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mov keyRun, 0
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mov keyAction, 0
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mov keyAttack, 0
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normal_keys_enabled:
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ret
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PollInput ENDP
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