test an entity with multiple meshes

.gitattributes

@@ -2,3 +2,5 @@ data/ filter=lfs diff=lfs merge=lfs -text
 data/textured_cube.bin filter=lfs diff=lfs merge=lfs -text
 data/textured_cube.gltf filter=lfs diff=lfs merge=lfs -text
 data/Color[[:space:]]Palette[[:space:]]140.png filter=lfs diff=lfs merge=lfs -text
+data/spaceship.gltf filter=lfs diff=lfs merge=lfs -text
+data/spaceship.bin filter=lfs diff=lfs merge=lfs -text

src/main.cpp

@@ -55,6 +55,39 @@ loadLights(RenderState* rs)
 	return true;
 }
 
+bool
+loadSpaceShip(RenderState* rs)
+{
+	Model* ship = getModelByPath(&rs->assets, "../data/spaceship.gltf");
+	if (!ship)
+		return false;
+
+	ShaderProgram* shader_lit = getShaderByName("full_lighting", rs->gl_ctx);
+	if (!shader_lit)
+		return false;
+
+	// load model into gl
+	RenderGroup* rg = getFreeRenderGroup(rs);
+	assert(rs);
+	initRenderGroup(rg, rs->rg_arena, shader_lit, 256, "ships");
+	Entity* e = getFreeEntity(rg);
+	assert(e);
+
+	if (initEntity(e, rs->gl_ctx,
+					rs->rg_arena,
+					ship,
+					shader_lit->num_vertex_attribs,
+					shader_lit->attrib_mappings,
+					"ship 01"))
+	{
+		setEntityPosition(e, glm::vec3(0, -10, -15));
+	} else {
+		return false;
+	}
+
+	return true;
+}
+
 bool
 loadScene(RenderState* rs)
 {
@@ -107,6 +140,12 @@ loadScene(RenderState* rs)
 		scaleEntity(e, 3);
 	}
 
+	// NOTE: testing an entity with multiple meshes
+#if 0
+	if (!loadSpaceShip(rs))
+		return false;
+#endif
+
 	// NOTE: initilize the 'camera'
 	glm::vec3 cam_pos = { 0, 15, 40 };
 	glm::vec3 look_pos = { 0, 0, 0 };

src/tangerine.h

@@ -15,9 +15,6 @@
 /*
 * === TODO: ===
 *  - add scene abstrastion for RenderState
-*  - test complex entities
-*  		- need a separate GLBufferToAttribMapping for each mesh on an entity
-*  		- maybe fixed now with MeshBufferType enum and getMeshData()
 *  - add an example of dynamically switching shaders for an entity
 *  - fix debug load times (either by using cgltf, or hiding tinygltf.h)
 *  - RenderGroups and Entities need to come into and out of existence during
@@ -57,6 +54,9 @@
 *  		- remove hard-coded values in full_lighting.frag
 *  		- test buffer backed lights, probably need to pad any scalars/vec3s
 *  		- add point light type with tweakable attenuation parameters
+*  - test complex entities
+*  		- need a separate GLBufferToAttribMapping for each mesh on an entity
+*  		- maybe fixed now with MeshBufferType enum and getMeshData()
 */