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* audio: Use values between 0 and 1 for volume.David Thompson2018-01-091-9/+12
| | | | | | | Hide the weird SDL usage of 0 to 128. * chickadee/audio.scm (set-sample-volume!, music-volume, set-music-volume!): Translate to/from SDL's volume range.
* render: shapes: Add draw-filled-rect procedure.David Thompson2018-01-081-2/+74
| | | | * chickadee/render/shapes.scm (draw-filled-rect): New procedure.
* render: color: Add color-lerp procedure.David Thompson2018-01-081-2/+5
| | | | * chickadee/render/color.scm (color-lerp): New procedure.
* render: sprite: Allow passing custom transformation matrices.David Thompson2018-01-052-129/+180
| | | | | | | | | | | | | | * chickadee/render/sprite.scm (draw-sprite-unbatched, draw-sprite-batched): Replace 'scale' and 'rotation' arguments with a 'matrix' argument. (sprite-batch-add!): Ditto. Also, correctly transform sprite vertices. This was previously not handling rotations properly. (%default-offset): New variable. (draw-sprite, draw-nine-patch): Change default values for 'rotation' and 'scale'. Add 'matrix' and 'offset' arguments. * chickadee/render/font.scm (%default-offset): New variable. (draw-text): Change default values for 'rotation' and 'scale'. Add 'offset' and 'matrix' arguments.
* Fix inverted Y coordinates in mouse events.David Thompson2018-01-051-3/+7
| | | | * chickadee.scm (run-game): Invert all Y coordinates received from SDL.
* math: matrix: Allow translation by rect as if it were a vector.David Thompson2018-01-051-0/+7
| | | | * chickadee/math/matrix.scm (matrix4-translate!): Add rect support.
* guix: Use Guile 2.2.3.David Thompson2018-01-051-3/+3
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* window: Remove problematic GL attribute.David Thompson2017-11-141-1/+0
| | | | | | | | I found that the 'framebuffer-srgb-capable' setting does not work with Mesa 17.2.1. Best to just get rid of it. * chickadee/window.scm (open-window): Remove setting for 'framebuffer-srgb-capable'.
* math: matrix: Allow translation with 3D vectors.David Thompson2017-11-121-5/+13
| | | | | * chickadee/math/matrix.scm (matrix4-translate!): Add support for the vec3 type.
* math: vector: Export vec3-z.David Thompson2017-11-121-0/+1
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* math: quaternion: Add custom record type printer.David Thompson2017-11-121-0/+11
| | | | * chickadee/math/quaternion.scm (display-quaternion): New procedure.
* math: quaternion: Stop referncing inline procedure before it's defined.David Thompson2017-11-121-1/+2
| | | | | * chickadee/math/quaternion.scm (with-new-quaternion): Build quaternion manually instead of using make-null-quaternion.
* math: matrix: Support converting a quaternion into a rotation matrix.David Thompson2017-11-121-0/+32
| | | | | * chickadee/math/matrix.scm (matrix4-rotate!, matrix4-rotate): New procedures.
* render: font: Add support for .fnt formatted fonts.David Thompson2017-11-111-3/+112
| | | | | | * chickadee/render/font.scm (load-font): Check for .xml and .fnt file extensions and DTRT. (parse-fnt, parse-bmfont-sxml): New procedure.
* guix: Update to latest guile-sdl2 commit.David Thompson2017-11-101-2/+2
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* render: font: Add support for tile fonts.David Thompson2017-11-101-0/+30
| | | | * chickadee/render/font.scm (load-tile-font): New procedure.
* render: font: Simplify implementation with texture regions.David Thompson2017-11-101-20/+13
| | | | | | | * chickadee/render/font.scm (<font-char>) [texture, region]: Remove. [texture-region]: New field. (load-font): Use texture regions. (draw-text): Render using texture regions.
* doc: scripting: Replace references to "wait" with "sleep".David Thompson2017-10-271-4/+4
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* scripting: agenda: Add reset-agenda procedure.David Thompson2017-10-191-0/+7
| | | | * chickadee/scripting/agenda.scm (reset-agenda): New procedure.
* render: texture: Fix bug in texture region coordinate calculation.David Thompson2017-10-171-1/+1
| | | | | * chickadee/render/texture.scm (make-texture-region): Fix broken texcoord width/height calculation.
* Third time's the charm for a bug fix?David Thompson2017-10-171-2/+1
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* Fix build bug for real this time.David Thompson2017-10-171-6/+5
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* render: texture: Fix strange parallel compilation issue.David Thompson2017-10-171-1/+0
| | | | | I have no damn clue why #:select causes this problem, but simply not using it fixes things!
* Add generalized A* path finding algorithm.David Thompson2017-10-172-0/+78
| | | | | * chickadee/path-finding.scm: New file. * Makefile.am (SOURCES): Add it.
* render: sprite: Add support for drawing texture regions.David Thompson2017-10-173-30/+52
| | | | | | | | | | * chickadee/render/sprite.scm (%default-texture-region): Rename to... (%default-texcoords): ...this. (draw-sprite): Replace #:texture-region arg with #:texcoords. Add support for texture regions. Update docstring. (draw-nine-patch): Add support for texture regions. * chickadee/render/font.scm (draw-text): Change #:texture-region to #:texcoords in draw-sprite call.
* render: texture: Use texture regions in texture atlas.David Thompson2017-10-171-5/+6
| | | | | | | * chickadee/render/texture.scm (list->texture-atlas): Create texture regions. Switch from rects to 4-tuples. (texture-atlas, texture-atlas-ref): Update docstring. (split-texture): Create texture regions.
* render: texture: Add private gl-size field.David Thompson2017-10-171-4/+7
| | | | | * chickadee/render/texture.scm (<texture>)[gl-size]: New field. (null-texture, make-texture): Add gl-size argument.
* render: texture: Add texture region data type.David Thompson2017-10-171-0/+35
| | | | * chickadee/render/texture.scm (<texture-region>): New record type.
* render: sprite: Fix sprite batch resizing.David Thompson2017-10-141-8/+11
| | | | | * chickadee/render/sprite.scm (double-sprite-batch-size!): Get reference to bytevectors before unmapping old buffers.
* scripting: Cancelling a script cancels all nested scripts.David Thompson2017-10-141-7/+20
| | | | | | | * chickadee/scripting/script.scm (<script>)[children]: New field. (current-script): New variable. (cancel-script): Cancel all child scripts, too. (spawn-script): Register new script as a child of the current script.
* scripting: Fix bugs in script-running? and script-complete?David Thompson2017-10-141-2/+2
| | | | | * chickadee/scripting/script.scm (script-running?, script-complete?): Test for the correct status instead of 'cancelled'.
* scripting: Rename coroutine to script.David Thompson2017-10-146-150/+148
| | | | | | | | | | * chickadee/scripting/coroutine.scm: Move to... * chickadee/scripting/script.scm: ...here, and s/coroutine/script. * chickadee/scripting/channel.scm (channel-get, channel-put): Update docstring to say "script" instead of "coroutine". * chickadee/scripting.scm: s/coroutine/script/ * Makefile.am (SOURCES): Replace coroutine.scm with script.scm. * doc/api.texi: s/coroutine/script/
* scripting: Rename wait to sleep.David Thompson2017-10-141-4/+7
| | | | | * chickadee/scripting.scm (wait): Rename to... (sleep): ...this.
* scripting: Fix bug where dynamic state wasn't being respected.David Thompson2017-10-142-4/+10
| | | | | | | * chickadee/scripting/coroutine.scm (spawn-coroutine): Save dynamic state during coroutine execution. * chickadee/scripting.scm (wait): Schedule continuation in the coroutine's current agenda.
* math: vector: Fix a couple docstrings.David Thompson2017-10-141-2/+2
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* guix: Update to latest guile-sdl2 commit.David Thompson2017-09-131-2/+2
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* Add beginnings of glTF parser and loader.David Thompson2017-09-135-0/+704
| | | | | | | * chickadee/render/asset.scm: New file. * chickadee/render/scene.scm: New file. * data/shaders/pbr/pbr-frag.glsl: New file. * data/shaders/pbr/pbr-vert.glsl: New file.
* Add JSON parser.David Thompson2017-09-132-0/+309
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* render: shader: Export more procedures.David Thompson2017-09-131-0/+5
| | | | | * chickadee/render/shader.scm: Export shader-attributes, attribute?, attribute-name, attribute-location, and attribute-type.
* Major rewrite of vertex buffer and vertex array abstractions.David Thompson2017-09-137-312/+588
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* gl: Export gl-buffer-sub-data.David Thompson2017-09-131-0/+1
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* Fix datadir.David Thompson2017-09-132-4/+4
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* texture: Export texture-atlas-texture.David Thompson2017-09-131-0/+1
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* math: Add cotangent function.David Thompson2017-09-132-0/+9
| | | | * chickadee/math.scm (cotan): New procedure.
* math: vector: Add custom record type printers for vectors.David Thompson2017-09-131-0/+12
| | | | | * chickadee/math/vector.scm (display-vec2, display-vec3): New procedures.
* math: matrix: Fix docstring.David Thompson2017-09-131-4/+3
| | | | * chickadee/math/matrix.scm (orthographic-projection): s/transform/matrix/
* math: matrix: Add perspective-projection function.David Thompson2017-09-131-0/+12
| | | | * chickadee/math/matrix.scm (perspective-projection): New procedure.
* math: matrix: Add custom record type printer.David Thompson2017-09-131-0/+24
| | | | * chickadee/math/matrix.scm (display-matrix4): New procedure.
* math: vector: Add 3-dimensional vector type.David Thompson2017-09-131-1/+147
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* math: Add quaternion module.David Thompson2017-09-133-0/+137
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