1 files changed, 105 insertions, 0 deletions
diff --git a/Source/Graphics/bloodsurface.h b/Source/Graphics/bloodsurface.h
new file mode 100644
index 00000000..5f3c0559
--- /dev/null
+++ b/Source/Graphics/bloodsurface.h
@@ -0,0 +1,105 @@
+//-----------------------------------------------------------------------------
+//           Name: bloodsurface.h
+//      Developer: Wolfire Games LLC
+//    Description: 
+//        License: Read below
+//-----------------------------------------------------------------------------
+//
+//
+//   Copyright 2022 Wolfire Games LLC
+//
+//   Licensed under the Apache License, Version 2.0 (the "License");
+//   you may not use this file except in compliance with the License.
+//   You may obtain a copy of the License at
+//
+//       http://www.apache.org/licenses/LICENSE-2.0
+//
+//   Unless required by applicable law or agreed to in writing, software
+//   distributed under the License is distributed on an "AS IS" BASIS,
+//   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//   See the License for the specific language governing permissions and
+//   limitations under the License.
+//
+//-----------------------------------------------------------------------------
+#pragma once
+
+#include <Math/vec2.h>
+#include <Asset/Asset/texture.h>
+#include <Graphics/modelsurfacewalker.h>
+
+#include <list>
+#include <map>
+
+class Object;
+class Model;
+class SceneGraph;
+
+static bool blood_inited = false;
+static bool blood_uniforms_inited = false;
+
+class BloodSurface {
+public:
+    class TransformedVertexGetter { // Used to get transformed geometry from items or characters
+        public:
+            virtual vec3 GetTransformedVertex(int val) = 0;
+    };
+
+	bool blood_tex_mipmap_dirty;
+    TextureRef blood_tex;
+    TextureRef blood_work_tex;
+    float sleep_time;
+	BloodSurface(TransformedVertexGetter* transformed_vertex_getter);
+	~BloodSurface();
+	void Dispose();
+    void PreDrawFrame(int width, int height);
+    void AttachToModel( Model * attach_model );
+    void Update(SceneGraph *scenegraph, float timestep, bool force_update = false);
+    void CreateBloodDripNearestPointTransformed( const vec3 &bone_pos, float blood_amount, bool can_drip );
+    void CreateBloodDripNearestPointDirection( const vec3 &bone_pos, const vec3 &direction, float blood_amount, bool can_drip );
+    void CleanBlood();
+    void SetFire(float fire);
+    void SetWet(float wet);
+    void AddDecalToTriangles( const std::vector<int> &hit_list, vec3 pos, vec3 dir, float size, const TextureAssetRef& texture_ref );
+    void AddBloodLine( const vec2 &start, const vec2 &end );
+    void CreateDripInTri( int tri, const vec3 &bary_coords, float blood_amount, float delay, bool can_drip, SurfaceWalker::Type type);
+    void StartDrawingToBloodTexture();
+    void EndDrawingToBloodTexture();
+    void Ignite();
+    void Extinguish();
+    void GetShaderNames(std::map<std::string, int>& shaders);
+
+private:
+    struct CutLine {
+        vec2 start;
+        vec2 end;
+    };
+
+    void InitShaders();
+    void InitUniforms();
+
+    TransformedVertexGetter* transformed_vertex_getter_;
+    Model *model;
+    int drip_update_delay;
+    int dry_delay;
+    int dry_steps;
+    bool framebuffer_created;
+    GLuint blood_framebuffer;
+    GLuint blood_work_framebuffer;
+    typedef std::list<SurfaceWalker> SurfaceWalkerList;
+    SurfaceWalkerList surface_walkers;
+    std::vector<CutLine> cut_lines;
+    ModelSurfaceWalker model_surface_walker;
+
+    int simple_2d_id;
+    int simple_2d_stab_id;
+    int character_accumulate_id;
+    int ignite_id;
+    int extinguish_id;
+
+    const char* simple_2d;
+    const char* simple_2d_stab_texture;
+    const char* character_accumulate_dry;
+    const char* character_accumulate_ignite;
+    const char* character_accumulate_extinguish;
+};
+