Implemented reading/writing static meshes & their material properties to file. Implemented viewing/editing static mesh properties in editor

src/common/hashmap.c

@@ -101,7 +101,10 @@ struct Variant* hashmap_value_get(const struct Hashmap* hashmap, const char* key
     int compare_len       = key_len < HASH_MAX_KEY_LEN ? key_len : HASH_MAX_KEY_LEN;
 	for(int i = 0; i < array_len(hashmap->buckets[index]); i++)
 	{
-		if(strncmp(key, hashmap->buckets[index][i].key, compare_len) == 0)
+		// Check for the length of the key to avoid partial matches. We might be looking for 
+		// "Diffuse" and we'll get matched to "Diffuse_Color" if we're relying on the length
+		// of "Diffuse" only
+		if(strnlen(hashmap->buckets[index][i].key, HASH_MAX_KEY_LEN) == compare_len && strncmp(key, hashmap->buckets[index][i].key, compare_len) == 0)
 		{
 			value = &hashmap->buckets[index][i].value;
 			break;

src/game/editor.c

@@ -1783,16 +1783,16 @@ void editor_window_property_inspector(struct nk_context* context, struct Editor*
 					sound_source_instance_volume_set(sound, sound_source->source_instance, volume);
 
 					nk_layout_row_dynamic(context, 30, 2);
-					static char filename_buffer[MAX_FILENAME_LEN];
+					static char sound_source_filename_buffer[MAX_FILENAME_LEN];
-					strncpy(filename_buffer, sound_source->source_buffer->filename, MAX_FILENAME_LEN);
+					strncpy(sound_source_filename_buffer, sound_source->source_buffer->filename, MAX_FILENAME_LEN);
 					nk_label(context, "File", NK_TEXT_ALIGN_LEFT | NK_TEXT_ALIGN_MIDDLE);
 					int edit_flags = NK_EDIT_GOTO_END_ON_ACTIVATE | NK_EDIT_FIELD | NK_EDIT_SIG_ENTER;
-					int edit_state = nk_edit_string_zero_terminated(context, edit_flags, filename_buffer, MAX_FILENAME_LEN, NULL);
+					int edit_state = nk_edit_string_zero_terminated(context, edit_flags, sound_source_filename_buffer, MAX_FILENAME_LEN, NULL);
 					if(edit_state & NK_EDIT_COMMITED)
 					{
-						if(strncmp(filename_buffer, sound_source->source_buffer->filename, MAX_FILENAME_LEN) != 0)
+						if(strncmp(sound_source_filename_buffer, sound_source->source_buffer->filename, MAX_FILENAME_LEN) != 0)
 						{
-							struct Sound_Source_Buffer* new_source_buffer = sound_source_create(sound, filename_buffer, ST_WAV_STREAM);
+							struct Sound_Source_Buffer* new_source_buffer = sound_source_create(sound, sound_source_filename_buffer, ST_WAV_STREAM);
 							if(new_source_buffer)
 							{
 								sound_source_stop_all(sound, sound_source->source_buffer);
@@ -1810,6 +1810,79 @@ void editor_window_property_inspector(struct nk_context* context, struct Editor*
 				}
 
 			}
+
+			/* Static Mesh */
+			if(entity->type == ET_STATIC_MESH)
+			{
+				struct Static_Mesh* mesh = (struct Static_Mesh*)entity;
+				if(nk_tree_push(context, NK_TREE_TAB, "Static Mesh", NK_MAXIMIZED))
+				{
+					nk_layout_row_dynamic(context, 30, 2);
+					nk_label(context, "Geometry", NK_TEXT_ALIGN_LEFT | NK_TEXT_ALIGN_MIDDLE);
+
+					static char geometry_filename_buffer[MAX_FILENAME_LEN];
+					int edit_flags = NK_EDIT_GOTO_END_ON_ACTIVATE | NK_EDIT_FIELD | NK_EDIT_SIG_ENTER;
+					struct Geometry* geometry = geom_get(mesh->model.geometry_index);
+					strncpy(geometry_filename_buffer, geometry->filename, MAX_FILENAME_LEN);
+					int geometry_buffer_edit_state = nk_edit_string_zero_terminated(context, edit_flags, geometry_filename_buffer, MAX_FILENAME_LEN, NULL);
+					if(geometry_buffer_edit_state & NK_EDIT_COMMITED)
+					{
+						if(strncmp(geometry->filename, geometry_filename_buffer, MAX_FILENAME_LEN) != 0)
+						{
+							model_geometry_set(&mesh->model, &geometry_filename_buffer);
+						}
+					}
+
+					nk_layout_row_dynamic(context, row_height, 2);
+					nk_label(context, "Material", NK_TEXT_ALIGN_LEFT | NK_TEXT_ALIGN_MIDDLE);
+					static const char* material_types[] = { "Blinn", "Unshaded" };
+					int selected_material = nk_combo(context, material_types, 2, mesh->model.material->type, row_height, nk_vec2(180, 180));
+					if(selected_material != mesh->model.material->type)
+					{
+						material_unregister_static_mesh(mesh->model.material, mesh);
+						struct Material* new_material = &game_state_get()->renderer->materials[selected_material];
+						if(!material_register_static_mesh(new_material, mesh))
+						{
+							log_error("editor:update", "Failed to register mesh with material");
+						}
+					}
+
+					nk_layout_row_dynamic(context, row_height, 2);
+					nk_label(context, "Diffuse Color", NK_TEXT_ALIGN_LEFT | NK_TEXT_ALIGN_MIDDLE);
+					editor_widget_color_combov4(context, &mesh->model.material_params[MMP_DIFFUSE_COL].val_vec4, 200, 300);
+
+					nk_layout_row_dynamic(context, row_height, 1);
+					mesh->model.material_params[MMP_DIFFUSE].val_float = nk_propertyf(context, "Diffuse", 0.f, mesh->model.material_params[MMP_DIFFUSE].val_float, 10.f, 0.5f, 0.1f);
+
+					nk_layout_row_dynamic(context, 30, 2);
+					nk_label(context, "Diffuse Texture", NK_TEXT_ALIGN_LEFT | NK_TEXT_ALIGN_MIDDLE);
+					static char diffuse_tex_filename_buffer[MAX_FILENAME_LEN];
+					const char* texture_name = texture_get_name(mesh->model.material_params[MMP_DIFFUSE_TEX].val_int);
+					strncpy(diffuse_tex_filename_buffer, texture_name, MAX_FILENAME_LEN);
+					int diffuse_texture_buffer_edit_state = nk_edit_string_zero_terminated(context, edit_flags, diffuse_tex_filename_buffer, MAX_FILENAME_LEN, NULL);
+					if(diffuse_texture_buffer_edit_state & NK_EDIT_COMMITED)
+					{
+						if(strncmp(texture_name, diffuse_tex_filename_buffer, MAX_FILENAME_LEN) != 0)
+						{
+							int new_diffuse_texture = texture_create_from_file(&diffuse_tex_filename_buffer, TU_DIFFUSE);
+							if(new_diffuse_texture != -1)
+							{
+								mesh->model.material_params[MMP_DIFFUSE_TEX].val_int = new_diffuse_texture;
+							}
+						}
+					}
+
+					if(mesh->model.material->type == MAT_BLINN)
+					{
+						nk_layout_row_dynamic(context, row_height, 1);
+						mesh->model.material_params[MMP_SPECULAR].val_float = nk_propertyf(context, "Specular", 0.f, mesh->model.material_params[MMP_SPECULAR].val_float, 10.f, 0.5f, 0.1f);
+						nk_layout_row_dynamic(context, row_height, 1);
+						mesh->model.material_params[MMP_SPECULAR_STRENGTH].val_float = nk_propertyf(context, "Specular Strength", 0.f, mesh->model.material_params[MMP_SPECULAR_STRENGTH].val_float, 100.f, 0.5f, 0.1f);
+					}
+					
+					nk_tree_pop(context);
+				}
+			}
 		}
 		else
 		{
@@ -1835,13 +1908,13 @@ void editor_window_renderer_settings(struct nk_context* context, struct Editor*
 		struct Render_Settings* render_settings = &game_state->renderer->settings;
 		if(nk_tree_push(context, NK_TREE_TAB, "Debug", NK_MAXIMIZED))
 		{
-			static const char* draw_modes[] = { "Triangles", "Lines", "Points" };
 			nk_layout_row_dynamic(context, row_height, 2);
 			nk_label(context, "Debug Draw", NK_TEXT_ALIGN_LEFT | NK_TEXT_ALIGN_MIDDLE);
 			render_settings->debug_draw_enabled = nk_check_label(context, "", render_settings->debug_draw_enabled);
 
 			nk_layout_row_dynamic(context, row_height, 2);
 			nk_label(context, "Debug Draw Mode", NK_TEXT_ALIGN_LEFT | NK_TEXT_ALIGN_MIDDLE);
+			static const char* draw_modes[] = { "Triangles", "Lines", "Points" };
 			render_settings->debug_draw_mode = nk_combo(context, draw_modes, 3, render_settings->debug_draw_mode, 20, nk_vec2(180, 100));
 
 			nk_layout_row_dynamic(context, row_height, 2);

src/game/entity.c

@@ -17,6 +17,7 @@
 #include "../system/physics.h"
 #include "scene.h"
 #include "game.h"
+#include "texture.h"
 
 #include <stdlib.h>
 #include <string.h>
@@ -160,6 +161,24 @@ bool entity_write(struct Entity* entity, struct Parser_Object* object, bool writ
 		struct Static_Mesh* mesh = (struct Static_Mesh*)entity;
 		struct Geometry* geom = geom_get(mesh->model.geometry_index);
 		hashmap_int_set(entity_data, "material", mesh->model.material->type);
+
+		//Set material model params for this particular mesh
+		struct Model* model = &mesh->model;
+		switch(model->material->type)
+		{
+		case MAT_BLINN:
+			hashmap_vec4_set(entity_data, "diffuse_color", &model->material_params[MMP_DIFFUSE_COL].val_vec4);
+			hashmap_str_set(entity_data, "diffuse_texture", texture_get_name(model->material_params[MMP_DIFFUSE_TEX].val_int));
+			hashmap_float_set(entity_data, "diffuse", model->material_params[MMP_DIFFUSE].val_float);
+			hashmap_float_set(entity_data, "specular", model->material_params[MMP_SPECULAR].val_float);
+			hashmap_float_set(entity_data, "specular_strength", model->material_params[MMP_SPECULAR_STRENGTH].val_float);
+			break;
+		case MAT_UNSHADED:
+			hashmap_vec3_set(entity_data, "diffuse_color", &mesh->model.material_params[MMP_DIFFUSE_COL].val_vec3);
+			hashmap_int_set(entity_data, "diffuse_texture", mesh->model.material_params[MMP_DIFFUSE_TEX].val_int);
+			break;
+		};
+
 		hashmap_str_set(entity_data, "geometry", geom->filename);
 		break;
 	}
@@ -389,9 +408,34 @@ struct Entity* entity_read(struct Parser_Object* object, struct Entity* parent_e
 		const char* geometry_name = NULL;
 		int material_type = MAT_UNSHADED;
 		if(hashmap_value_exists(object->data, "geometry")) geometry_name = hashmap_str_get(object->data, "geometry");
-		if(hashmap_value_exists(object->data, "material_type")) material_type = hashmap_int_get(object->data, "material_type");
+		if(hashmap_value_exists(object->data, "material")) material_type = hashmap_int_get(object->data, "material");
 		struct Static_Mesh* mesh = scene_static_mesh_create(scene, name, parent_entity, geometry_name, material_type);
 		new_entity = &mesh->base;
+
+		//Set material model params for this particular mesh
+		struct Model* model = &mesh->model;
+		switch(model->material->type)
+		{
+		case MAT_BLINN:
+			if(hashmap_value_exists(object->data, "diffuse_color")) model->material_params[MMP_DIFFUSE_COL].val_vec4 = hashmap_vec4_get(object->data, "diffuse_color");
+			if(hashmap_value_exists(object->data, "diffuse_texture"))
+			{
+				const char* texture_name = hashmap_str_get(object->data, "diffuse_texture");
+				model->material_params[MMP_DIFFUSE_TEX].val_int = texture_create_from_file(texture_name, TU_DIFFUSE);
+			}
+			if(hashmap_value_exists(object->data, "diffuse")) model->material_params[MMP_DIFFUSE].val_float = hashmap_float_get(object->data, "diffuse");
+			if(hashmap_value_exists(object->data, "specular")) model->material_params[MMP_SPECULAR].val_float = hashmap_float_get(object->data, "specular");
+			if(hashmap_value_exists(object->data, "specular_strength")) model->material_params[MMP_SPECULAR_STRENGTH].val_float = hashmap_float_get(object->data, "specular_strength");
+			break;
+		case MAT_UNSHADED:
+			if(hashmap_value_exists(object->data, "diffuse_color")) model->material_params[MMP_DIFFUSE_COL].val_vec4 = hashmap_vec4_get(object->data, "diffuse_color");
+			if(hashmap_value_exists(object->data, "diffuse_texture"))
+			{
+				const char* texture_name = hashmap_str_get(object->data, "diffuse_texture");
+				model->material_params[MMP_DIFFUSE_TEX].val_int = texture_create_from_file(texture_name, TU_DIFFUSE);
+			}
+			break;
+		};
 	}
 	break;
 	case ET_ROOT:

src/game/game.c

@@ -328,7 +328,7 @@ void game_scene_setup(void)
 	suzanne->model.material_params[MMP_DIFFUSE].val_float = 0.5f;
 	suzanne->model.material_params[MMP_SPECULAR].val_float = 1.f;
 	suzanne->model.material_params[MMP_SPECULAR_STRENGTH].val_float = 1.f;
-	vec3_fill(&suzanne->model.material_params[MMP_DIFFUSE_COL].val_vec3, 1.f, 0.f, 1.f);
+	vec4_fill(&suzanne->model.material_params[MMP_DIFFUSE_COL].val_vec4, 1.f, 0.f, 1.f, 1.f);
 	suz_pos.x = 0.f;
 	suz_pos.y = 5.f;
 	suz_pos.z = 5.f;

src/game/model.c

@@ -20,18 +20,9 @@ void model_init(struct Model* model, struct Static_Mesh* mesh, const char* geome
 	/* if no name is given for geometry, use default */
 	int geo_index = geom_create_from_file(geometry_name ? geometry_name : "default.symbres");
 
-	if(geo_index == -1)
+	if(!model_geometry_set(model, geometry_name))
-	{
-		log_error("model:init", "Failed to load model %s", geometry_name);
-		geo_index = geom_create_from_file("default.symbres");
-		if(geo_index == -1)
-		{
-			log_error("model:init", "Could not load default model 'default.symbres' ");
 		return;
-		}
-	}
 
-	model->geometry_index = geo_index;
 	struct Material* material = &game_state_get()->renderer->materials[material_type];
 	if(!material_register_static_mesh(material, mesh))
 	{
@@ -40,6 +31,24 @@ void model_init(struct Model* model, struct Static_Mesh* mesh, const char* geome
 	}
 }
 
+bool model_geometry_set(struct Model* model, const char* geometry_name)
+{
+	/* if no name is given for geometry, use default */
+	int geo_index = geom_create_from_file(geometry_name ? geometry_name : "default.symbres");
+	if(geo_index == -1)
+	{
+		log_error("model:geometry_set", "Failed to load model %s", geometry_name);
+		geo_index = geom_create_from_file("default.symbres");
+		if(geo_index == -1)
+		{
+			log_error("model:geometry_set", "Could not load default model 'default.symbres' ");
+			return false;
+		}
+	}
+	model->geometry_index = geo_index;
+	return true;
+}
+
 void model_reset(struct Model* model, struct Static_Mesh* mesh)
 {
 	assert(model);

src/game/model.h

@@ -1,10 +1,13 @@
 #ifndef MODEL_H
 #define MODEL_H
 
+#include <stdbool.h>
+
 struct Model;
 struct Static_Mesh;
 
 void model_init(struct Model* model, struct Static_Mesh* mesh, const char* geometry_name, int material_type);
+bool model_geometry_set(struct Model* model, const char* geometry_name);
 void model_reset(struct Model* model, struct Static_Mesh* mesh);
 
 #endif

src/game/texture.c

@@ -441,3 +441,9 @@ void texture_resize(int index, int width, int height, const void* data)
 	if(curr_texture != 0)
 		glBindTexture(GL_TEXTURE_2D, curr_texture);
 }
+
+const char* texture_get_name(int index)
+{
+	assert(index > -1 && index < array_len(texture_list));
+	return texture_list[index].name;
+}

src/game/texture.h

@@ -31,5 +31,6 @@ int  texture_create(const char* name,
 					int         type,
 					const void* data);
 void texture_resize(int index, int width, int height, const void* data);
+const char* texture_get_name(int index);
 
 #endif

todo.txt

@@ -1,5 +1,4 @@
 Todo:
-	- Finish mesh and material properties serialization to and from file 
 	- Scene read/write to file with scene file only containing names of
 	  entity archetypes
 	- Console command to read/write scene to/from file
@@ -98,6 +97,7 @@ Todo:
 	- Profit!
 
 Improvements:
+	- Make selected mesh wireframe alpha in editor configurable
 	- Better naming semantics for example, init/deinit for initialization and cleanup and create/destroy when memory is allocated or deallocated
 	- Categorized entity list in editor for example different subtree for lights and static meshes
 	- Depth testing for editor grid
@@ -320,3 +320,6 @@ Done:
 	* Fixed all sound related bugs and completede sound to/from file
 	* Implemented saving/loading entity children when reading/writing entity to file  
 	* Editor functionality to add entity from specific file to scene
+	* Finished mesh and material properties serialization to and from file 
+	* Fixed issue of partial matches returning incorrect hashmap values
+	* Implemented Static Mesh property viewing/editing in editor