add entities renderer tint support

res/shaders/entity.glslv

@@ -3,8 +3,7 @@
 layout (location = 0) in vec3 v_position;
 layout (location = 1) in vec2 v_texCoord;
 layout (location = 2) in vec3 v_color;
-layout (location = 3) in vec3 v_normal;
-layout (location = 4) in float v_light;
+layout (location = 3) in float v_light;
 
 out vec4 a_color;
 out vec2 a_texCoord;
@@ -31,12 +30,12 @@ void main() {
     float torchlight = max(0.0, 1.0-distance(u_cameraPos, modelpos.xyz) / 
                        u_torchlightDistance);
     light += torchlight * u_torchlightColor;
-    a_color = vec4(pow(light, vec3(u_gamma)) * v_normal,1.0f);
+    a_color = vec4(pow(light, vec3(u_gamma)),1.0f);
     a_texCoord = v_texCoord;
 
     a_dir = modelpos.xyz - u_cameraPos;
     vec3 skyLightColor = pick_sky_color(u_cubemap);
-    a_color.rgb = max(a_color.rgb, skyLightColor.rgb*decomp_light.a);
+    a_color.rgb = max(a_color.rgb, skyLightColor.rgb*decomp_light.a) * v_color;
     a_distance = length(u_view * u_model * vec4(pos3d * FOG_POS_SCALE, 0.0));
     gl_Position = u_proj * u_view * modelpos;
 }

src/graphics/render/ModelBatch.cpp

@@ -16,11 +16,11 @@
 
 #include <algorithm>
 
-/// xyz, uv, compressed rgba
-inline constexpr uint VERTEX_SIZE = 6;
+/// xyz, uv, color, compressed lights
+inline constexpr uint VERTEX_SIZE = 9;
 
 static const vattr attrs[] = {
-    {3}, {2}, {1}, {0}
+    {3}, {2}, {3}, {1}, {0}
 };
 
 inline constexpr glm::vec3 X(1, 0, 0);
@@ -68,9 +68,9 @@ ModelBatch::~ModelBatch() {
 }
 
 void ModelBatch::draw(const model::Mesh& mesh, const glm::mat4& matrix, 
-                      const glm::mat3& rotation, 
+                      const glm::mat3& rotation, glm::vec3 tint,
                       const texture_names_map* varTextures) {
-    glm::vec3 gpos = matrix * glm::vec4(glm::vec3(), 1.0f);
+    glm::vec3 gpos = matrix * glm::vec4(0.0f, 0.0f, 0.0f, 1.0f);
     light_t light = chunks->getLight(floor(gpos.x), floor(gpos.y), floor(gpos.z));
     glm::vec4 lights (
         Lightmap::extract(light, 0) / 15.0f,
@@ -90,18 +90,19 @@ void ModelBatch::draw(const model::Mesh& mesh, const glm::mat4& matrix,
             auto norm = rotation * vert.normal;
             float d = glm::dot(norm, SUN_VECTOR);
             d = 0.8f + d * 0.2f;
-            
-            auto color = lights * d;
-            vertex(matrix * glm::vec4(vert.coord, 1.0f), vert.uv, color);
+            vertex(matrix * glm::vec4(vert.coord, 1.0f), vert.uv, lights*d, tint);
         }
     }
 }
 
 void ModelBatch::draw(glm::mat4 matrix,
+                      glm::vec3 tint,
                       const model::Model* model,
                       const texture_names_map* varTextures) {
     for (const auto& mesh : model->meshes) {
-        entries.push_back({matrix, extract_rotation(matrix), &mesh, varTextures});
+        entries.push_back({
+            matrix, extract_rotation(matrix), tint, &mesh, varTextures
+        });
     }
 }
 
@@ -112,7 +113,7 @@ void ModelBatch::render() {
         }
     );
     for (auto& entry : entries) {
-        draw(*entry.mesh, entry.matrix, entry.rotation, entry.varTextures);
+        draw(*entry.mesh, entry.matrix, entry.rotation, entry.tint, entry.varTextures);
     }
     flush();
     entries.clear();

src/graphics/render/ModelBatch.hpp

@@ -37,7 +37,7 @@ class ModelBatch {
     static inline glm::vec3 SUN_VECTOR {0.411934f, 0.863868f, -0.279161f};
 
     inline void vertex(
-        glm::vec3 pos, glm::vec2 uv, glm::vec4 light
+        glm::vec3 pos, glm::vec2 uv, glm::vec4 light, glm::vec3 tint
     ) {
         float* buffer = this->buffer.get();
         buffer[index++] = pos.x;
@@ -45,6 +45,9 @@ class ModelBatch {
         buffer[index++] = pos.z;
         buffer[index++] = uv.x * region.getWidth() + region.u1;
         buffer[index++] = uv.y * region.getHeight() + region.v1;
+        buffer[index++] = tint.x;
+        buffer[index++] = tint.y;
+        buffer[index++] = tint.z;
 
         union {
             float floating;
@@ -59,8 +62,11 @@ class ModelBatch {
         buffer[index++] = compressed.floating;
     }
 
-    void draw(const model::Mesh& mesh, const glm::mat4& matrix, 
-              const glm::mat3& rotation, const texture_names_map* varTextures);
+    void draw(const model::Mesh& mesh, 
+              const glm::mat4& matrix, 
+              const glm::mat3& rotation, 
+              glm::vec3 tint,
+              const texture_names_map* varTextures);
     void setTexture(const std::string& name,
                     const texture_names_map* varTextures);
     void setTexture(Texture* texture);
@@ -69,6 +75,7 @@ class ModelBatch {
     struct DrawEntry {
         glm::mat4 matrix;
         glm::mat3 rotation;
+        glm::vec3 tint;
         const model::Mesh* mesh;
         const texture_names_map* varTextures;
     };
@@ -77,12 +84,10 @@ public:
     ModelBatch(size_t capacity, Assets* assets, Chunks* chunks);
     ~ModelBatch();
 
-    void pushMatrix(glm::mat4 matrix);
-    void popMatrix();
     void draw(glm::mat4 matrix,
+              glm::vec3 tint,
               const model::Model* model,
               const texture_names_map* varTextures);
-
     void render();
 };
 

src/graphics/render/WorldRenderer.cpp

@@ -152,22 +152,12 @@ void WorldRenderer::drawChunks(Chunks* chunks, Camera* camera, Shader* shader) {
     }
 }
 
-void WorldRenderer::renderLevel(
-    const DrawContext&,
-    Camera* camera, 
-    const EngineSettings& settings,
-    bool pause
+void WorldRenderer::setupWorldShader(
+    Shader* shader, Camera* camera, const EngineSettings& settings, 
+    float fogFactor
 ) {
-    auto assets = engine->getAssets();
-    auto atlas = assets->get<Atlas>("blocks");
-    auto shader = assets->get<Shader>("main");
-
-    auto indices = level->content->getIndices();
-
-    float fogFactor = 15.0f / ((float)settings.chunks.loadDistance.get()-2);
-
-    // Setting up main shader
     shader->use();
+    shader->uniformMatrix("u_model", glm::mat4(1.0f));
     shader->uniformMatrix("u_proj", camera->getProjection());
     shader->uniformMatrix("u_view", camera->getView());
     shader->uniform1f("u_timer", timer);
@@ -178,6 +168,7 @@ void WorldRenderer::renderLevel(
     shader->uniform3f("u_cameraPos", camera->position);
     shader->uniform1i("u_cubemap", 1);
 
+    auto indices = level->content->getIndices();
     // Light emission when an emissive item is chosen
     {
         auto inventory = player->getInventory();
@@ -191,15 +182,32 @@ void WorldRenderer::renderLevel(
         );
         shader->uniform1f("u_torchlightDistance", 6.0f);
     }
+}
+
+void WorldRenderer::renderLevel(
+    const DrawContext&,
+    Camera* camera, 
+    const EngineSettings& settings,
+    bool pause
+) {
+    auto assets = engine->getAssets();
+    auto atlas = assets->get<Atlas>("blocks");
+
+    float fogFactor = 15.0f / ((float)settings.chunks.loadDistance.get()-2);
+
+    auto shader = assets->get<Shader>("main");
+    setupWorldShader(shader, camera, settings, fogFactor);
 
-    // Binding main shader textures
     skybox->bind();
     atlas->getTexture()->bind();
 
     drawChunks(level->chunks.get(), camera, shader);
 
-    shader->uniformMatrix("u_model", glm::mat4(1.0f));
+    auto entityShader = assets->get<Shader>("entity");
+    setupWorldShader(entityShader, camera, settings, fogFactor);
+
     level->entities->render(assets, *modelBatch, *frustumCulling, pause);
+
     if (!pause) {
         scripting::on_frontend_render();
     }
@@ -263,8 +271,8 @@ void WorldRenderer::renderDebugLines(
         glm::vec3 coord = player->camera->position;
         if (coord.x < 0) coord.x--;
         if (coord.z < 0) coord.z--;
-        int cx = floordiv((int)coord.x, CHUNK_W);
-        int cz = floordiv((int)coord.z, CHUNK_D);
+        int cx = floordiv(static_cast<int>(coord.x), CHUNK_W);
+        int cz = floordiv(static_cast<int>(coord.z), CHUNK_D);
 
         drawBorders(
             cx * CHUNK_W, 0, cz * CHUNK_D, 
@@ -276,8 +284,8 @@ void WorldRenderer::renderDebugLines(
     glm::vec3 tsl(displayWidth/2, displayHeight/2, 0.f);
     glm::mat4 model(glm::translate(glm::mat4(1.f), tsl));
     linesShader->uniformMatrix("u_projview", glm::ortho(
-        0.f, (float)displayWidth, 
-        0.f, (float)displayHeight,
+        0.f, static_cast<float>(displayWidth), 
+        0.f, static_cast<float>(displayHeight),
         -length, length) * model * glm::inverse(camera->rotation)
     );
 

src/graphics/render/WorldRenderer.hpp

@@ -62,6 +62,13 @@ class WorldRenderer {
         Camera* camera, 
         Shader* linesShader
     );
+
+    void setupWorldShader(
+        Shader* shader,
+        Camera* camera,
+        const EngineSettings& settings,
+        float fogFactor
+    );
 public:
     static bool showChunkBorders;
     static bool showEntitiesDebug;

src/objects/rigging.cpp

@@ -99,8 +99,8 @@ void SkeletonConfig::render(
         }
         model = modelOverride.model ? modelOverride.model : model;
         if (model) {
-            batch.draw(
-                skeleton.calculated.matrices[i], model, &skeleton.textures);
+            batch.draw(skeleton.calculated.matrices[i], glm::vec3(1.0f), model, 
+                       &skeleton.textures);
         }
     }
 }