Added files to git.HEADmain

Current State:
- hot reloading
- math library (calcify)
- triangle rendering (unbatched)
- orthographic projection (no camera)
- layer isolation setup (platform vs game)

1 files changed, 56 insertions, 0 deletions

diff --git a/source/game/game.cpp b/source/game/game.cpp
new file mode 100644
index 0000000..337fe11
--- /dev/null
+++ b/source/game/game.cpp
@@ -0,0 +1,56 @@
+#include "game.h"
+
+void game_setup(GameState *state) {
+    glUseProgram(state->triangle_sp);
+    Mat4 projection = calcify_ortho4m(0.0f, state->width, 0.0f, state->height, 0.1f, 10.0f);
+    i32 triangle_proj_loc = glGetUniformLocation(state->triangle_sp, "Projection");
+    glUniformMatrix4fv(triangle_proj_loc, 1, 0, projection.buffer);
+    glUseProgram(0);
+};
+
+void game_handle_event(GameState *state, GameEventType type) {
+    switch (type) {
+        case GAME_EVENT_RESIZE: {
+            glUseProgram(state->triangle_sp);
+            glViewport(0, 0, state->width, state->height);
+
+            Mat4 projection = calcify_ortho4m(0.0f, state->width, 0.0f, state->height, 1.0f, 10.0f);
+            i32 triangle_proj_loc = glGetUniformLocation(state->triangle_sp, "Projection");
+            glUniformMatrix4fv(triangle_proj_loc,
+                               1, 0, 
+                               projection.buffer);
+            glUseProgram(0);
+        } break;
+
+        default:
+            break;
+    }
+}
+
+void game_update_and_render(GameState *state) {
+    glClearColor(0.1f, 0.1f, 0.1f, 1.0f);
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    glUseProgram(state->triangle_sp);
+    Mat4 model = calcify_ident4m();
+    Mat4 scale = calcify_scaling_matrix4m(105.0f, 95.0f);
+    model = calcify_multiply4m(scale, model);
+
+    Mat4 pos = calcify_translation_matrix4m(350.0f, 950.0f, -1.0f);
+    model = calcify_multiply4m(pos, model);
+    i32 model_loc = glGetUniformLocation(state->triangle_sp,
+                                         "Model");
+    glUniformMatrix4fv(
+                model_loc,
+                1, 0,
+                model.buffer
+                );
+
+    Vec3 Color = (Vec3){.r=0.4,.g=0.9,.b=0.7};
+    glUniform3f(glGetUniformLocation(state->triangle_sp,
+                                     "Color"),
+                 Color.r, Color.g, Color.b);
+    glBindVertexArray(state->triangle_vao);
+    glDrawArrays(GL_TRIANGLES, 0, 3);
+    glBindVertexArray(0);
+}