Organized project to be more portable and require fewer steps to integrate into application projects in Xcode.
Moved standard assets into bundles
This commit is contained in:
358
KREngine/kraken/KRMeshManager.cpp
Normal file
358
KREngine/kraken/KRMeshManager.cpp
Normal file
@@ -0,0 +1,358 @@
|
||||
//
|
||||
// KRMeshManager.cpp
|
||||
// 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.
|
||||
//
|
||||
|
||||
#include "KREngine-common.h"
|
||||
|
||||
#include "KRMeshManager.h"
|
||||
|
||||
#include "KRMesh.h"
|
||||
#include "KRMeshCube.h"
|
||||
#include "KRMeshSphere.h"
|
||||
|
||||
KRMeshManager::KRMeshManager(KRContext &context) : KRContextObject(context) {
|
||||
m_currentVBO.vbo_handle = -1;
|
||||
m_currentVBO.vbo_handle_indexes = -1;
|
||||
m_currentVBO.vao_handle = -1;
|
||||
m_currentVBO.data = NULL;
|
||||
m_vboMemUsed = 0;
|
||||
m_randomParticleVertexData = NULL;
|
||||
m_volumetricLightingVertexData = NULL;
|
||||
|
||||
addModel(new KRMeshCube(context));
|
||||
addModel(new KRMeshSphere(context));
|
||||
}
|
||||
|
||||
KRMeshManager::~KRMeshManager() {
|
||||
for(std::multimap<std::string, KRMesh *>::iterator itr = m_models.begin(); itr != m_models.end(); ++itr){
|
||||
delete (*itr).second;
|
||||
}
|
||||
m_models.empty();
|
||||
if(m_randomParticleVertexData != NULL) delete m_randomParticleVertexData;
|
||||
if(m_volumetricLightingVertexData != NULL) delete m_volumetricLightingVertexData;
|
||||
}
|
||||
|
||||
KRMesh *KRMeshManager::loadModel(const char *szName, KRDataBlock *pData) {
|
||||
|
||||
std::string lowerName = szName;
|
||||
std::transform(lowerName.begin(), lowerName.end(),
|
||||
lowerName.begin(), ::tolower);
|
||||
|
||||
|
||||
KRMesh *pModel = new KRMesh(*m_pContext, lowerName, pData);
|
||||
addModel(pModel);
|
||||
return pModel;
|
||||
}
|
||||
|
||||
void KRMeshManager::addModel(KRMesh *model) {
|
||||
m_models.insert(std::pair<std::string, KRMesh *>(model->getLODBaseName(), model));
|
||||
}
|
||||
|
||||
std::vector<KRMesh *> KRMeshManager::getModel(const char *szName) {
|
||||
std::string lowerName = szName;
|
||||
std::transform(lowerName.begin(), lowerName.end(),
|
||||
lowerName.begin(), ::tolower);
|
||||
|
||||
|
||||
std::vector<KRMesh *> matching_models;
|
||||
|
||||
std::pair<std::multimap<std::string, KRMesh *>::iterator, std::multimap<std::string, KRMesh *>::iterator> range = m_models.equal_range(lowerName);
|
||||
for(std::multimap<std::string, KRMesh *>::iterator itr_match = range.first; itr_match != range.second; itr_match++) {
|
||||
matching_models.push_back(itr_match->second);
|
||||
}
|
||||
|
||||
std::sort(matching_models.begin(), matching_models.end(), KRMesh::lod_sort_predicate);
|
||||
|
||||
if(matching_models.size() == 0) {
|
||||
fprintf(stderr, "ERROR: Model not found: %s\n", lowerName.c_str());
|
||||
}
|
||||
|
||||
return matching_models;
|
||||
}
|
||||
|
||||
std::multimap<std::string, KRMesh *> KRMeshManager::getModels() {
|
||||
return m_models;
|
||||
}
|
||||
|
||||
void KRMeshManager::unbindVBO() {
|
||||
if(m_currentVBO.data != NULL) {
|
||||
GLDEBUG(glBindBuffer(GL_ARRAY_BUFFER, 0));
|
||||
GLDEBUG(glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0));
|
||||
m_currentVBO.size = 0;
|
||||
m_currentVBO.data = NULL;
|
||||
m_currentVBO.vbo_handle = -1;
|
||||
m_currentVBO.vbo_handle_indexes = -1;
|
||||
m_currentVBO.vao_handle = -1;
|
||||
}
|
||||
}
|
||||
|
||||
void KRMeshManager::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) {
|
||||
|
||||
if(m_currentVBO.data != data || m_currentVBO.size != size) {
|
||||
|
||||
if(m_vbosActive.find(data) != m_vbosActive.end()) {
|
||||
m_currentVBO = m_vbosActive[data];
|
||||
#if GL_OES_vertex_array_object
|
||||
GLDEBUG(glBindVertexArrayOES(m_currentVBO.vao_handle));
|
||||
#else
|
||||
GLDEBUG(glBindBuffer(GL_ARRAY_BUFFER, m_currentVBO.vbo_handle));
|
||||
configureAttribs(enable_vertex, enable_normal, enable_tangent, enable_uva, enable_uvb, enable_bone_indexes, enable_bone_weights);
|
||||
#endif
|
||||
} else if(m_vbosPool.find(data) != m_vbosPool.end()) {
|
||||
m_currentVBO = m_vbosPool[data];
|
||||
m_vbosPool.erase(data);
|
||||
m_vbosActive[data] = m_currentVBO;
|
||||
#if GL_OES_vertex_array_object
|
||||
GLDEBUG(glBindVertexArrayOES(m_currentVBO.vao_handle));
|
||||
#else
|
||||
GLDEBUG(glBindBuffer(GL_ARRAY_BUFFER, m_currentVBO.vbo_handle));
|
||||
configureAttribs(enable_vertex, enable_normal, enable_tangent, enable_uva, enable_uvb, enable_bone_indexes, enable_bone_weights);
|
||||
#endif
|
||||
} else {
|
||||
|
||||
|
||||
while(m_vbosPool.size() + m_vbosActive.size() + 1 >= KRContext::KRENGINE_MAX_VBO_HANDLES || m_vboMemUsed + size >= KRContext::KRENGINE_MAX_VBO_MEM) {
|
||||
if(m_vbosPool.empty()) {
|
||||
fprintf(stderr, "flushBuffers due to VBO exhaustion...\n");
|
||||
m_pContext->rotateBuffers(false);
|
||||
}
|
||||
std::map<GLvoid *, vbo_info_type>::iterator first_itr = m_vbosPool.begin();
|
||||
vbo_info_type firstVBO = first_itr->second;
|
||||
#if GL_OES_vertex_array_object
|
||||
GLDEBUG(glDeleteVertexArraysOES(1, &firstVBO.vao_handle));
|
||||
#endif
|
||||
GLDEBUG(glDeleteBuffers(1, &firstVBO.vbo_handle));
|
||||
if(firstVBO.vbo_handle_indexes != -1) {
|
||||
GLDEBUG(glDeleteBuffers(1, &firstVBO.vbo_handle_indexes));
|
||||
}
|
||||
m_vboMemUsed -= firstVBO.size;
|
||||
m_vbosPool.erase(first_itr);
|
||||
fprintf(stderr, "VBO Swapping...\n");
|
||||
}
|
||||
|
||||
m_currentVBO.vao_handle = -1;
|
||||
m_currentVBO.vbo_handle = -1;
|
||||
m_currentVBO.vbo_handle_indexes = -1;
|
||||
GLDEBUG(glGenBuffers(1, &m_currentVBO.vbo_handle));
|
||||
#if GL_OES_vertex_array_object
|
||||
GLDEBUG(glGenVertexArraysOES(1, &m_currentVBO.vao_handle));
|
||||
GLDEBUG(glBindVertexArrayOES(m_currentVBO.vao_handle));
|
||||
#endif
|
||||
|
||||
GLDEBUG(glBindBuffer(GL_ARRAY_BUFFER, m_currentVBO.vbo_handle));
|
||||
GLDEBUG(glBufferData(GL_ARRAY_BUFFER, size, data, GL_STATIC_DRAW));
|
||||
m_vboMemUsed += size;
|
||||
configureAttribs(enable_vertex, enable_normal, enable_tangent, enable_uva, enable_uvb, enable_bone_indexes, enable_bone_weights);
|
||||
|
||||
m_currentVBO.size = size;
|
||||
m_currentVBO.data = data;
|
||||
|
||||
m_vbosActive[data] = m_currentVBO;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void KRMeshManager::configureAttribs(bool enable_vertex, bool enable_normal, bool enable_tangent, bool enable_uva, bool enable_uvb, bool enable_bone_indexes, bool enable_bone_weights)
|
||||
{
|
||||
__int32_t attributes = 0;
|
||||
|
||||
if(enable_vertex) {
|
||||
attributes |= (1 << KRMesh::KRENGINE_ATTRIB_VERTEX);
|
||||
GLDEBUG(glEnableVertexAttribArray(KRMesh::KRENGINE_ATTRIB_VERTEX));
|
||||
} else {
|
||||
GLDEBUG(glDisableVertexAttribArray(KRMesh::KRENGINE_ATTRIB_VERTEX));
|
||||
}
|
||||
|
||||
if(enable_normal) {
|
||||
attributes |= (1 << KRMesh::KRENGINE_ATTRIB_NORMAL);
|
||||
GLDEBUG(glEnableVertexAttribArray(KRMesh::KRENGINE_ATTRIB_NORMAL));
|
||||
} else {
|
||||
GLDEBUG(glDisableVertexAttribArray(KRMesh::KRENGINE_ATTRIB_NORMAL));
|
||||
}
|
||||
|
||||
if(enable_tangent) {
|
||||
attributes |= (1 << KRMesh::KRENGINE_ATTRIB_TANGENT);
|
||||
GLDEBUG(glEnableVertexAttribArray(KRMesh::KRENGINE_ATTRIB_TANGENT));
|
||||
} else {
|
||||
GLDEBUG(glDisableVertexAttribArray(KRMesh::KRENGINE_ATTRIB_TANGENT));
|
||||
}
|
||||
|
||||
if(enable_uva) {
|
||||
attributes |= (1 << KRMesh::KRENGINE_ATTRIB_TEXUVA);
|
||||
GLDEBUG(glEnableVertexAttribArray(KRMesh::KRENGINE_ATTRIB_TEXUVA));
|
||||
} else {
|
||||
GLDEBUG(glDisableVertexAttribArray(KRMesh::KRENGINE_ATTRIB_TEXUVA));
|
||||
}
|
||||
|
||||
if(enable_uvb) {
|
||||
attributes |= (1 << KRMesh::KRENGINE_ATTRIB_TEXUVB);
|
||||
GLDEBUG(glEnableVertexAttribArray(KRMesh::KRENGINE_ATTRIB_TEXUVB));
|
||||
} else {
|
||||
GLDEBUG(glDisableVertexAttribArray(KRMesh::KRENGINE_ATTRIB_TEXUVB));
|
||||
}
|
||||
|
||||
if(enable_bone_indexes) {
|
||||
attributes |= (1 << KRMesh::KRENGINE_ATTRIB_BONEINDEXES);
|
||||
GLDEBUG(glEnableVertexAttribArray(KRMesh::KRENGINE_ATTRIB_BONEINDEXES));
|
||||
} else {
|
||||
GLDEBUG(glDisableVertexAttribArray(KRMesh::KRENGINE_ATTRIB_BONEINDEXES));
|
||||
}
|
||||
|
||||
if(enable_bone_weights) {
|
||||
attributes |= (1 << KRMesh::KRENGINE_ATTRIB_BONEWEIGHTS);
|
||||
GLDEBUG(glEnableVertexAttribArray(KRMesh::KRENGINE_ATTRIB_BONEWEIGHTS));
|
||||
} else {
|
||||
GLDEBUG(glDisableVertexAttribArray(KRMesh::KRENGINE_ATTRIB_BONEWEIGHTS));
|
||||
}
|
||||
|
||||
GLsizei data_size = (GLsizei)KRMesh::VertexSizeForAttributes(attributes);
|
||||
|
||||
if(enable_vertex) {
|
||||
GLDEBUG(glVertexAttribPointer(KRMesh::KRENGINE_ATTRIB_VERTEX, 3, GL_FLOAT, GL_FALSE, data_size, BUFFER_OFFSET(KRMesh::AttributeOffset(KRMesh::KRENGINE_ATTRIB_VERTEX, attributes))));
|
||||
}
|
||||
if(enable_normal) {
|
||||
GLDEBUG(glVertexAttribPointer(KRMesh::KRENGINE_ATTRIB_NORMAL, 3, GL_FLOAT, GL_FALSE, data_size, BUFFER_OFFSET(KRMesh::AttributeOffset(KRMesh::KRENGINE_ATTRIB_NORMAL, attributes))));
|
||||
}
|
||||
if(enable_tangent) {
|
||||
GLDEBUG(glVertexAttribPointer(KRMesh::KRENGINE_ATTRIB_TANGENT, 3, GL_FLOAT, GL_FALSE, data_size, BUFFER_OFFSET(KRMesh::AttributeOffset(KRMesh::KRENGINE_ATTRIB_TANGENT, attributes))));
|
||||
}
|
||||
if(enable_uva) {
|
||||
GLDEBUG(glVertexAttribPointer(KRMesh::KRENGINE_ATTRIB_TEXUVA, 2, GL_FLOAT, GL_FALSE, data_size, BUFFER_OFFSET(KRMesh::AttributeOffset(KRMesh::KRENGINE_ATTRIB_TEXUVA, attributes))));
|
||||
}
|
||||
if(enable_uvb) {
|
||||
GLDEBUG(glVertexAttribPointer(KRMesh::KRENGINE_ATTRIB_TEXUVB, 2, GL_FLOAT, GL_FALSE, data_size, BUFFER_OFFSET(KRMesh::AttributeOffset(KRMesh::KRENGINE_ATTRIB_TEXUVB, attributes))));
|
||||
}
|
||||
if(enable_bone_indexes ) {
|
||||
GLDEBUG(glVertexAttribPointer(KRMesh::KRENGINE_ATTRIB_BONEINDEXES, 4, GL_UNSIGNED_BYTE, GL_FALSE, data_size, BUFFER_OFFSET(KRMesh::AttributeOffset(KRMesh::KRENGINE_ATTRIB_BONEINDEXES, attributes))));
|
||||
}
|
||||
if(enable_bone_weights) {
|
||||
GLDEBUG(glVertexAttribPointer(KRMesh::KRENGINE_ATTRIB_BONEWEIGHTS, 4, GL_FLOAT, GL_FALSE, data_size, BUFFER_OFFSET(KRMesh::AttributeOffset(KRMesh::KRENGINE_ATTRIB_BONEWEIGHTS, attributes))));
|
||||
}
|
||||
}
|
||||
|
||||
long KRMeshManager::getMemUsed()
|
||||
{
|
||||
return m_vboMemUsed;
|
||||
}
|
||||
|
||||
void KRMeshManager::rotateBuffers(bool new_frame)
|
||||
{
|
||||
m_vbosPool.insert(m_vbosActive.begin(), m_vbosActive.end());
|
||||
m_vbosActive.clear();
|
||||
if(m_currentVBO.data != NULL) {
|
||||
// Ensure that the currently active VBO does not get flushed to free memory
|
||||
m_vbosPool.erase(m_currentVBO.data);
|
||||
m_vbosActive[m_currentVBO.data] = m_currentVBO;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
KRMeshManager::VolumetricLightingVertexData *KRMeshManager::getVolumetricLightingVertexes()
|
||||
{
|
||||
if(m_volumetricLightingVertexData == NULL) {
|
||||
m_volumetricLightingVertexData = (VolumetricLightingVertexData *)malloc(sizeof(VolumetricLightingVertexData) * KRENGINE_MAX_VOLUMETRIC_PLANES * 6);
|
||||
int iVertex=0;
|
||||
for(int iPlane=0; iPlane < KRENGINE_MAX_VOLUMETRIC_PLANES; iPlane++) {
|
||||
m_volumetricLightingVertexData[iVertex].vertex.x = -1.0f;
|
||||
m_volumetricLightingVertexData[iVertex].vertex.y = -1.0f;
|
||||
m_volumetricLightingVertexData[iVertex].vertex.z = iPlane;
|
||||
iVertex++;
|
||||
|
||||
m_volumetricLightingVertexData[iVertex].vertex.x = 1.0f;
|
||||
m_volumetricLightingVertexData[iVertex].vertex.y = -1.0f;
|
||||
m_volumetricLightingVertexData[iVertex].vertex.z = iPlane;
|
||||
iVertex++;
|
||||
|
||||
m_volumetricLightingVertexData[iVertex].vertex.x = -1.0f;
|
||||
m_volumetricLightingVertexData[iVertex].vertex.y = 1.0f;
|
||||
m_volumetricLightingVertexData[iVertex].vertex.z = iPlane;
|
||||
iVertex++;
|
||||
|
||||
m_volumetricLightingVertexData[iVertex].vertex.x = -1.0f;
|
||||
m_volumetricLightingVertexData[iVertex].vertex.y = 1.0f;
|
||||
m_volumetricLightingVertexData[iVertex].vertex.z = iPlane;
|
||||
iVertex++;
|
||||
|
||||
m_volumetricLightingVertexData[iVertex].vertex.x = 1.0f;
|
||||
m_volumetricLightingVertexData[iVertex].vertex.y = -1.0f;
|
||||
m_volumetricLightingVertexData[iVertex].vertex.z = iPlane;
|
||||
iVertex++;
|
||||
|
||||
|
||||
m_volumetricLightingVertexData[iVertex].vertex.x = 1.0f;
|
||||
m_volumetricLightingVertexData[iVertex].vertex.y = 1.0f;
|
||||
m_volumetricLightingVertexData[iVertex].vertex.z = iPlane;
|
||||
iVertex++;
|
||||
|
||||
// -1.0f, -1.0f,
|
||||
// 1.0f, -1.0f,
|
||||
// -1.0f, 1.0f,
|
||||
// 1.0f, 1.0f,
|
||||
}
|
||||
}
|
||||
return m_volumetricLightingVertexData;
|
||||
}
|
||||
|
||||
KRMeshManager::RandomParticleVertexData *KRMeshManager::getRandomParticles()
|
||||
{
|
||||
if(m_randomParticleVertexData == NULL) {
|
||||
m_randomParticleVertexData = (RandomParticleVertexData *)malloc(sizeof(RandomParticleVertexData) * KRENGINE_MAX_RANDOM_PARTICLES * 3);
|
||||
|
||||
// Generate vertices for randomly placed equilateral triangles with a side length of 1 and an origin point centered so that an inscribed circle can be efficiently rendered without wasting fill
|
||||
|
||||
float equilateral_triangle_height = sqrt(3.0f) / 2.0f;
|
||||
float inscribed_circle_radius = 1.0f / (2.0f * sqrt(3.0f));
|
||||
|
||||
int iVertex=0;
|
||||
for(int iParticle=0; iParticle < KRENGINE_MAX_RANDOM_PARTICLES; iParticle++) {
|
||||
m_randomParticleVertexData[iVertex].vertex.x = (float)(arc4random() % 2000) / 1000.0f - 1000.0f;
|
||||
m_randomParticleVertexData[iVertex].vertex.y = (float)(arc4random() % 2000) / 1000.0f - 1000.0f;
|
||||
m_randomParticleVertexData[iVertex].vertex.z = (float)(arc4random() % 2000) / 1000.0f - 1000.0f;
|
||||
m_randomParticleVertexData[iVertex].uva.u = -0.5f;
|
||||
m_randomParticleVertexData[iVertex].uva.v = -inscribed_circle_radius;
|
||||
iVertex++;
|
||||
|
||||
m_randomParticleVertexData[iVertex].vertex.x = m_randomParticleVertexData[iVertex-1].vertex.x;
|
||||
m_randomParticleVertexData[iVertex].vertex.y = m_randomParticleVertexData[iVertex-1].vertex.y;
|
||||
m_randomParticleVertexData[iVertex].vertex.z = m_randomParticleVertexData[iVertex-1].vertex.z;
|
||||
m_randomParticleVertexData[iVertex].uva.u = 0.5f;
|
||||
m_randomParticleVertexData[iVertex].uva.v = -inscribed_circle_radius;
|
||||
iVertex++;
|
||||
|
||||
m_randomParticleVertexData[iVertex].vertex.x = m_randomParticleVertexData[iVertex-1].vertex.x;
|
||||
m_randomParticleVertexData[iVertex].vertex.y = m_randomParticleVertexData[iVertex-1].vertex.y;
|
||||
m_randomParticleVertexData[iVertex].vertex.z = m_randomParticleVertexData[iVertex-1].vertex.z;
|
||||
m_randomParticleVertexData[iVertex].uva.u = 0.0f;
|
||||
m_randomParticleVertexData[iVertex].uva.v = -inscribed_circle_radius + equilateral_triangle_height;
|
||||
iVertex++;
|
||||
}
|
||||
}
|
||||
return m_randomParticleVertexData;
|
||||
}
|
||||
Reference in New Issue
Block a user