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John McCardle 5a49cb7b6d feat(viewport): complete viewport-based rendering system (#8) 
Implements a comprehensive viewport system that allows fixed game resolution
with flexible window scaling, addressing the primary wishes for issues #34, #49, and #8.

Key Features:
- Fixed game resolution independent of window size (window.game_resolution property)
- Three scaling modes accessible via window.scaling_mode:
  - "center": 1:1 pixels, viewport centered in window
  - "stretch": viewport fills window, ignores aspect ratio
  - "fit": maintains aspect ratio with black bars
- Automatic window-to-game coordinate transformation for mouse input
- Full Python API integration with PyWindow properties

Technical Implementation:
- GameEngine::ViewportMode enum with Center, Stretch, Fit modes
- SFML View system for efficient GPU-based viewport scaling
- updateViewport() recalculates on window resize or mode change
- windowToGameCoords() transforms mouse coordinates correctly
- PyScene mouse input automatically uses transformed coordinates

Tests:
- test_viewport_simple.py: Basic API functionality
- test_viewport_visual.py: Visual verification with screenshots
- test_viewport_scaling.py: Interactive mode switching and resizing

This completes the viewport-based rendering task and provides the foundation
for resolution-independent game development as requested for Crypt of Sokoban.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
 		2025-07-07 10:28:50 -04:00
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WORKING_automation_test_example.py Squashed commit of the following: [interpreter_mode] 2025-07-05 17:23:09 -04:00
animation_demo.py Squashed commit of the following: [interpreter_mode] 2025-07-05 17:23:09 -04:00
api_createScene_test.py Squashed commit of the following: [interpreter_mode] 2025-07-05 17:23:09 -04:00
api_keypressScene_test.py Squashed commit of the following: [interpreter_mode] 2025-07-05 17:23:09 -04:00
api_sceneUI_test.py Squashed commit of the following: [interpreter_mode] 2025-07-05 17:23:09 -04:00
api_setScene_currentScene_test.py Squashed commit of the following: [interpreter_mode] 2025-07-05 17:23:09 -04:00
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automation_click_issue78_analysis.py Squashed commit of the following: [interpreter_mode] 2025-07-05 17:23:09 -04:00
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automation_screenshot_test_simple.py Squashed commit of the following: [interpreter_mode] 2025-07-05 17:23:09 -04:00
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generate_entity_screenshot_fixed.py Squashed commit of the following: [interpreter_mode] 2025-07-05 17:23:09 -04:00
generate_grid_screenshot.py Squashed commit of the following: [interpreter_mode] 2025-07-05 17:23:09 -04:00
generate_sprite_screenshot.py Squashed commit of the following: [interpreter_mode] 2025-07-05 17:23:09 -04:00
grid_at_argument_test.py feat(Grid): flexible at() method arguments 2025-07-05 20:35:33 -04:00
issue_9_minimal_test.py Squashed commit of the following: [alpha_streamline_1] 2025-07-05 18:56:02 -04:00
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keypress_scene_validation_test.py Squashed commit of the following: [interpreter_mode] 2025-07-05 17:23:09 -04:00
run_all_tests.sh feat: stabilize test suite and add UIDrawable methods 2025-07-06 09:51:37 -04:00
run_issue_tests.py Squashed commit of the following: [alpha_streamline_1] 2025-07-05 18:56:02 -04:00
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test_frame_clipping.py feat(rendering): implement RenderTexture base infrastructure and UIFrame clipping (#6) 2025-07-06 16:13:12 -04:00
test_frame_clipping_advanced.py feat(rendering): implement RenderTexture base infrastructure and UIFrame clipping (#6) 2025-07-06 16:13:12 -04:00
test_grid_background.py docs: create RenderTexture overhaul design document 2025-07-06 16:00:11 -04:00
test_stdin_theory.py Squashed commit of the following: [interpreter_mode] 2025-07-05 17:23:09 -04:00
test_viewport_scaling.py feat(viewport): complete viewport-based rendering system (#8) 2025-07-07 10:28:50 -04:00
test_viewport_simple.py feat(viewport): complete viewport-based rendering system (#8) 2025-07-07 10:28:50 -04:00
test_viewport_visual.py feat(viewport): complete viewport-based rendering system (#8) 2025-07-07 10:28:50 -04:00
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ui_UICollection_issue69_test.py Squashed commit of the following: [interpreter_mode] 2025-07-05 17:23:09 -04:00
unified_click_example.cpp feat: implement name system for finding UI elements (#39/40/41) 2025-07-06 12:02:37 -04:00
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