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* render: camera: Add 3d-camera procedure.David Thompson2015-11-091-1/+12
| | | | * sly/render/camera.scm (3d-camera): New procedure.
* examples: Add framebuffer example.David Thompson2015-09-212-0/+65
| | | | | * examples/framebuffer.scm: New file. * examples/Makefile.am (nobase_dist_examples_DATA): Add it.
* render: Reimplement rendering engine using functional combinators.David Thompson2015-09-2120-427/+797
| | | | | | | | | | | Warning: This is a huge commit. I completely gutted the old scene graph and replaced it with a somewhat monadic rendering combinator module instead. The interface remains purely functional, but replaces the <model> data type with procedures in the rendering monad instead. This opens the door for rendering *anything*, not just meshes. Now I can implement particle systems and other non-static things.
* Add new record type syntax.David Thompson2015-09-212-0/+55
| | | | | * sly/record.scm: New file. * Makefile.am (SOURCES): Add it.
* render: mesh: Tweak with-mesh to use null-mesh.David Thompson2015-09-091-1/+1
| | | | | * sly/render/mesh.scm (with-mesh): Apply the null-mesh after evaluating the body.
* render: mesh: Add custom record type printer.David Thompson2015-09-091-0/+9
| | | | | | | | This avoids an issue where debugging output would be clogged by dumping *all* of the vertex information for large meshes. * sly/render/mesh.scm (<mesh>): Add record type printer that doesn't print out the vertices.
* render: Add separate projection and model-view matrix stacks.David Thompson2015-09-093-35/+49
| | | | | | | | | | | | | | | Just like the Opengl 2.x days! ;) * sly/render.scm (graphics-transform, graphics-transform-mul!, graphics-transform-identity!): Delete. (graphics-model-view-transform, graphics-model-view-mul!, graphics-model-view-identity!, graphics-projection-transform, graphics-projection-mul!, graphics-projection-identity!): New procedures. (with-model-view-excursion, with-projection-excursion): New syntax. (call-with-transform-excursion): Move matrix copying out of the "in guard." (draw-scene): Use new matrix stacks.
* render: Force OpenGL state changes when resetting context.David Thompson2015-09-091-7/+7
| | | | * sly/render.scm (graphics-reset!): Force context changes.
* render: Reset OpenGL state after drawing a frame.David Thompson2015-09-091-1/+4
| | | | | | | | Not resetting the graphics context after rendering leads to strange bugs such as sprites disappearing when a new mesh is created in between drawing. * sly/render.scm (with-graphics): Reset context after drawing.
* render: Reimplement OpenGL state machine manager.David Thompson2015-08-267-238/+243
| | | | | | | | | | | | | The implementation is a bit cleaner, and it's a stepping stone towards render combinators. * sly/render/context.scm: Delete. * sly/render.scm: New file. * Makefile.am (SOURCES): Add it. Remove context.scm. * sly/game.scm (run-game-loop): Use new <graphics> type. * sly/render/model.scm (draw-model): Likewise. * sly/render/scene.scm (draw-scene): Likewise. * examples/2048/2048.scm: Remove (sly render context) import.
* Optimize matrix operations.David Thompson2015-08-253-43/+57
| | | | | | | | | | | | | | | | | | | | | Guile's array procedures are slow, so switch to using raw bytevectors instead. Additionally, converting the bytevector to a pointer is also slow, so the pointer is now cached for redundant calls. There's more to be done, but this was low hanging fruit. * sly/math/transform.scm (<transform>)[ptr]: New field. (transform-ptr): New accessor. (set-transform-ptr!): New setter. (make-4x4-matrix): Implement using bytevectors. (matrix-set!, matrix-ref): New procedures. (make-transform, transform-vector2, transform-position): Use 'matrix-set!' and 'matrix-ref'. (transpose, transform+, transform*): Use new transform constructor. (transform->pointer): Cache pointer. * sly/render/context.scm (copy-transform!): Use 'bytevector-copy!' * sly/render/shader.scm: Use 'transform->pointer' in the transform uniform setter.
* Update INSTALL.orgJochem Raat2015-08-051-2/+12
| | | | | | Add the Gnu Scientific Library (GSL) to the dependencies and update the git clone command for sly itself to the new address of the repository (https://git.dthompson.us/sly.git), since gitorious is down.
* Fix Guix development environment.David Thompson2015-08-051-1/+1
| | | | * package.scm: Change source to #f for now.
* examples: Add Conway's Game of Life.Christopher Allan Webber2015-06-152-0/+338
| | | | | * examples/life.scm: New file. * examples/Makefile.am (nobase_dist_examples_DATA): Add it.
* Add composite (sly) module.David Thompson2015-06-146-41/+72
| | | | | | | | | * sly.scm: New file. * Makefile.am (SOURCES): Add it. * sandbox.in: Use new module. * examples/common.scm: Likewise. * examples/font.scm: Likewise. * README ("Example"): Update example.
* signal: Add comments specifying emacs indentation for macros.Christopher Allan Webber2015-06-121-0/+4
| | | | | * sly/signal.scm: Add comments specifying emacs indentation level for signal-let and signal-let* syntax.
* Update README.David Thompson2015-06-101-6/+16
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* Update sandbox script.David Thompson2015-06-101-10/+9
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* Rename start-game-loop to run-game-loop.David Thompson2015-06-1010-11/+11
| | | | | | | | | | | | | * doc/api/init.texi: s/start-game-loop/run-game-loop/ * examples/2048/2048.scm: Likewise. * examples/animation.scm: Likewise. * examples/font.scm: Likewise. * examples/joystick.scm: Likewise. * examples/mines/mines.scm: Likewise. * examples/simple.scm: Likewise. * examples/tilemap.scm: Likewise. * sandbox.in: Likewise. * sly/game.scm: Likewise.
* Clean up build system.David Thompson2015-06-105-24/+11
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* Fix simple example.David Thompson2015-06-061-24/+3
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* Update examples to use new interfaces.David Thompson2015-06-067-103/+125
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* signal: Redefine the semantics of signal-let and signal-let*.David Thompson2015-06-061-9/+9
| | | | * sly/signal.scm (signal-let, signal-let*): Reimplement.
* game: Add scene argument to start-game-loop.David Thompson2015-06-061-5/+12
| | | | * sly/game.scm (start-game-loop): Add 'scene' argument.
* render: model: Add model-scale.David Thompson2015-06-061-0/+6
| | | | * sly/render/model.scm (model-scale): New procedure.
* render: Add <scene> record type.David Thompson2015-06-064-50/+135
| | | | | | | | | | | * sly/render/scene.scm: New file. * Makefile.am (SOURCES): Add it. * sly/render/camera.scm (apply-viewport): Do not clear viewport. (clear-viewport): New procedure. * sly/render/model.scm (model-sub-scene): New accessor. (make-model): Add #:sub-scene keyword argument. (draw-sub-scene): New variable. (draw-model): Remove rendering initialization code. Render sub-scenes.
* render: context: Add with-render-context-excursion macro.David Thompson2015-06-061-1/+22
| | | | * sly/render/context.scm (with-render-context-excursion): New syntax.
* render: context: Add framebuffer and viewport fields.David Thompson2015-06-061-1/+18
| | | | | | | | | * sly/render/context.scm (render-context-framebuffer, render-context-viewport): New accessors. (make-render-context): Initialize new GL parameters. (render-context-reset!): Reset new GL parameters. (set-render-context-framebuffer!, set-render-context-viewport!): New procedures.
* render: framebuffer: Tweak interface.David Thompson2015-06-061-7/+8
| | | | | | * sly/render/framebuffer.scm (null-framebuffer): New variable. (apply-framebuffer): New procedure. (with-framebuffer): Delete.
* render: camera: Add null-viewport.David Thompson2015-06-061-0/+3
| | | | * sly/render/camera.scm (null-viewport): New variable.
* signal: Fix inaccurate comment.David Thompson2015-06-061-1/+1
| | | | | | | | I don't know why I wrote that the signal combinators are "higher order signals", but that's not true. They are just procedures (some of which are higher order procedures) that take signals as arguments. * sly/signal.scm: Fix comment.
* render: Bypass texture rendering when a model uses the null texture.David Thompson2015-06-063-1/+7
| | | | | | | | | * data/shaders/default-fragment.glsl (use_texture): New uniform. (main): Skip texture rendering when 'use_texture' is false. * sly/render/model.scm (draw-model): Set 'use_texture' uniform before rendering. * sly/render/shader.scm (load-default-shader): Register 'use_texture' uniform.
* render: texture: Add texture-null? procedure.David Thompson2015-06-061-0/+5
| | | | * sly/render/texture.scm (texture-null?): New procedure.
* Restructure README.David Thompson2015-06-052-214/+214
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* sandbox: Generate script with autoconf.David Thompson2015-05-143-5/+6
| | | | | | | * sandbox: Delete. * .gitignore: Ignore it. * sandbox.in: New file. * configure.ac: Generate sandbox.
* examples: Use null-model.David Thompson2015-04-052-23/+18
| | | | | * examples/2048/2048.scm: Use null-model * examples/mines/mines.scm: Likewise.
* render: model: Add null-model.David Thompson2015-04-051-2/+15
| | | | | | * sly/render/model.scm (null-model): New variable. (model-null?): New procedure. (draw-model): Test for null models.
* render: model: Prefix procedures with 'model-'.David Thompson2015-04-059-82/+86
| | | | | | | | | | | | | | * sly/render/model.scm (paint, blend, group, group*, move, place): Renamed. (model-paint, model-blend, model-group, list->model, model-move, model-place): New procedures. * README.org (Example): s/move/model-move/ * examples/2048/2048.scm: Update example. * examples/mines/mines.scm: Likewise. * examples/animation.scm: Likewise. * examples/font.scm: Likewise. * examples/joystick.scm: Likewise. * examples/simple.scm: Likewise. * examples/tilemap.scm: Likewise.
* guix: Use native-inputs properly and add texinfo.David Thompson2015-04-031-3/+6
| | | | | * package.scm: Move native inputs where they belong. Add texinfo to native inputs.
* window: Throw an exception when SDL window cannot be opened.David Thompson2015-03-171-1/+2
| | | | | * sly/window.scm (open-window): Throw error when 'SDL:set-video-mode' fails.
* Fix package.scm, again.David Thompson2015-03-171-5/+10
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* Update package.scm.David Thompson2015-03-171-11/+6
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* render: context: Rewrite transform stack.David Thompson2015-03-122-25/+53
| | | | | | | | | * sly/render/context.scm (with-temp-transform): Delete. (render-context-transform, render-context-transform*!, render-context-transform-identity!, render-context-push-transform!, render-context-pop-transform!, copy-transform!): New procedures. (with-transform-excursion): New syntax. (render-context-reset!): Set top of matrix stack to identity matrix.
* render: context: Use GL parameters.David Thompson2015-03-111-54/+34
| | | | | | | | | | | | * sly/render/context.scm (%set-render-context-blend-mode!, %set-render-context-depth-test!?, %set-render-context-texture!, %set-render-context-shader!, %set-render-context-mesh!): Delete. (make-render-context): Create GL parameters. (render-context-reset!): Reset GL parameters. (define-context-setter): New syntax. (set-render-context-blend-mode!, set-render-context-depth-test!?, set-render-context-texture!, set-render-context-shader!, set-render-context-mesh!): Define in terms of 'define-context-setter'.
* render: shader: Add null-shader-program.David Thompson2015-03-111-1/+3
| | | | * sly/render/shader.scm (null-shader-program): New variable.
* render: texture: Ensure 2D textures are enabled when applying texture.David Thompson2015-03-111-1/+3
| | | | | * sly/render/texture.scm (apply-texture): Enable 2D textures before binding texture.
* render: utils: Add apply-depth-test.David Thompson2015-03-111-1/+7
| | | | * sly/render/utils (apply-depth-test): New procedure.
* render: utils: Improve apply-blend-mode.David Thompson2015-03-111-3/+8
| | | | | * sly/render/utils.scm (apply-blend-mode): Enable/disable blending when necessary.
* render: context: Add GL parameter type.David Thompson2015-03-111-0/+18
| | | | | | | | | | * sly/render/context.scm (<gl-parameter>): New record type. (%make-gl-parameter, make-gl-parameter, gl-parameter?, gl-parameter-default, gl-parameter-bind, gl-parameter-ref, %gl-parameter-set!, gl-parameter-set!, gl-parameter-reset!): New procedures. Fixup gl-parameter
* render: utils: Remove generic draw method.David Thompson2015-03-111-5/+1
| | | | * sly/render/utils.scm (draw): Delete.
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