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kraken/KREngine/kraken/KRMeshManager.h

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//
// KRMeshManager.h
// KREngine
//
// Copyright 2012 Kearwood Gilbert. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other materials
// provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY KEARWOOD GILBERT ''AS IS'' AND ANY EXPRESS OR IMPLIED
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KEARWOOD GILBERT OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// The views and conclusions contained in the software and documentation are those of the
// authors and should not be interpreted as representing official policies, either expressed
// or implied, of Kearwood Gilbert.
//
#ifndef KRMESHMANAGER_H
#define KRMESHMANAGER_H
#include "KREngine-common.h"
#include "KRContextObject.h"
#include "KRDataBlock.h"
#include "KRNode.h"
class KRContext;
class KRMesh;
class KRMeshManager : public KRContextObject {
public:
static const int KRENGINE_MAX_VOLUMETRIC_PLANES=500;
static const int KRENGINE_MAX_RANDOM_PARTICLES=150000;
KRMeshManager(KRContext &context);
virtual ~KRMeshManager();
void rotateBuffers(bool new_frame);
void startFrame(float deltaTime);
void endFrame(float deltaTime);
KRMesh *loadModel(const char *szName, KRDataBlock *pData);
std::vector<KRMesh *> getModel(const char *szName);
void addModel(KRMesh *model);
std::vector<std::string> getModelNames();
unordered_multimap<std::string, KRMesh *> &getModels();
void bindVBO(GLvoid *data, GLsizeiptr size, GLvoid *index_data, GLsizeiptr index_data_size, bool enable_vertex, bool enable_normal, bool enable_tangent, bool enable_uva, bool enable_uvb, bool enable_bone_indexes, bool enable_bone_weights, bool static_vbo);
void releaseVBO(GLvoid *data);
void unbindVBO();
long getMemUsed();
long getMemActive();
void configureAttribs(bool enable_vertex, bool enable_normal, bool enable_tangent, bool enable_uva, bool enable_uvb, bool enable_bone_indexes, bool enable_bone_weights);
typedef struct {
GLfloat x;
GLfloat y;
GLfloat z;
} KRVector3D;
typedef struct {
GLfloat u;
GLfloat v;
} TexCoord;
typedef struct {
KRVector3D vertex;
TexCoord uva;
} RandomParticleVertexData;
typedef struct {
KRVector3D vertex;
} VolumetricLightingVertexData;
RandomParticleVertexData *getRandomParticles();
VolumetricLightingVertexData *getVolumetricLightingVertexes();
long getMemoryTransferedThisFrame();
int getActiveVBOCount();
int getPoolVBOCount();
struct draw_call_info {
KRNode::RenderPass pass;
char object_name[256];
char material_name[256];
int vertex_count;
};
void log_draw_call(KRNode::RenderPass pass, const std::string &object_name, const std::string &material_name, int vertex_count);
std::vector<draw_call_info> getDrawCalls();
private:
unordered_multimap<std::string, KRMesh *> m_models; // Multiple models with the same name/key may be inserted, representing multiple LOD levels of the model
typedef struct vbo_info {
GLuint vbo_handle;
GLuint vbo_handle_indexes;
GLuint vao_handle;
GLsizeiptr size;
GLvoid *data;
} vbo_info_type;
long m_vboMemUsed;
vbo_info_type m_currentVBO;
unordered_map<GLvoid *, vbo_info_type> m_vbosActive;
unordered_map<GLvoid *, vbo_info_type> m_vbosPool;
RandomParticleVertexData *m_randomParticleVertexData;
VolumetricLightingVertexData *m_volumetricLightingVertexData;
long m_memoryTransferredThisFrame;
std::vector<draw_call_info> m_draw_calls;
bool m_draw_call_logging_enabled;
bool m_draw_call_log_used;
};
#endif