/* texture unit 2: additional sphere map texture, if exist */
void PMDModel::renderModel()
{
unsigned long i;
float c[4];
PMDMaterial *m;
float modelAlpha;
unsigned short *surfaceData;
if (!m_vertexList) return;
#ifndef MMDFILES_CONVERTCOORDINATESYSTEM
glPushMatrix();
glScalef(1.0f, 1.0f, -1.0f); /* from left-hand to right-hand */
glCullFace(GL_FRONT);
#endif /* !MMDFILES_CONVERTCOORDINATESYSTEM */
/* activate texture unit 0 */
glActiveTextureARB(GL_TEXTURE0_ARB);
glClientActiveTextureARB(GL_TEXTURE0_ARB);
/* set lists */
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_NORMAL_ARRAY);
glVertexPointer(3, GL_FLOAT, sizeof(btVector3), m_skinnedVertexList);
glNormalPointer(GL_FLOAT, sizeof(btVector3), m_skinnedNormalList);
/* set model texture coordinates to texture unit 0 */
glClientActiveTextureARB(GL_TEXTURE0_ARB);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glTexCoordPointer(2, GL_FLOAT, 0, m_texCoordList);
if (m_toon) {
/* set toon texture coordinates to texture unit 1 */
glActiveTextureARB(GL_TEXTURE1_ARB);
glEnable(GL_TEXTURE_2D);
glClientActiveTextureARB(GL_TEXTURE1_ARB);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
if (m_selfShadowDrawing)
/* when drawing a shadow part in shadow mapping, force toon texture coordinates to (0, 0) */
glTexCoordPointer(2, GL_FLOAT, 0, m_toonTexCoordListForShadowMap);
else
glTexCoordPointer(2, GL_FLOAT, 0, m_toonTexCoordList);
glActiveTextureARB(GL_TEXTURE0_ARB);
glClientActiveTextureARB(GL_TEXTURE0_ARB);
}
if (m_hasSingleSphereMap) {
/* this model contains single sphere map texture */
/* set texture coordinate generation for sphere map on texture unit 0 */
glEnable(GL_TEXTURE_2D);
glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
glDisable(GL_TEXTURE_2D);
}
if (m_hasMultipleSphereMap) {
/* this model contains additional sphere map texture */
/* set texture coordinate generation for sphere map on texture unit 2 */
glActiveTextureARB(GL_TEXTURE2_ARB);
glEnable(GL_TEXTURE_2D);
glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
glDisable(GL_TEXTURE_2D);
glActiveTextureARB(GL_TEXTURE0_ARB);
}
/* calculate alpha value, applying model global alpha */
modelAlpha = m_globalAlpha;
surfaceData = m_surfaceList;
/* render per material */
for (i = 0; i < m_numMaterial; i++) {
m = &(m_material[i]);
/* set colors */
c[3] = m->getAlpha() * modelAlpha;
if (c[3] > 0.99f) c[3] = 1.0f; /* clamp to 1.0 */
if (m_toon) {
/* use averaged color of diffuse and ambient for both */
m->copyAvgcol(c);
glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, &(c[0]));
m->copySpecular(c);
glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, &(c[0]));
} else {
/* use each color */
m->copyDiffuse(c);
glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, &(c[0]));
m->copyAmbient(c);
glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, &(c[0]));
m->copySpecular(c);
glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, &(c[0]));
}
glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, m->getShiness());
/* disable face culling for transparent materials */
if (m->getAlpha() < 1.0f)
glDisable(GL_CULL_FACE);
else
glEnable(GL_CULL_FACE);
/* if using multiple texture units, set current unit to 0 */
if (m_toon || m_hasMultipleSphereMap)
glActiveTextureARB(GL_TEXTURE0_ARB);
if (m->getTexture()) {
/* bind model texture */
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, m->getTexture()->getID());
if (m_hasSingleSphereMap) {
if (m->getTexture()->isSphereMap()) {
/* this is sphere map */
/* enable texture coordinate generation */
if (m->getTexture()->isSphereMapAdd())
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_ADD);
glEnable(GL_TEXTURE_GEN_S);
glEnable(GL_TEXTURE_GEN_T);
} else {
/* disable generation */
glDisable(GL_TEXTURE_GEN_S);
glDisable(GL_TEXTURE_GEN_T);
}
}
} else {
glDisable(GL_TEXTURE_2D);
}
if (m_toon) {
/* set toon texture for texture unit 1 */
glActiveTextureARB(GL_TEXTURE1_ARB);
glBindTexture(GL_TEXTURE_2D, m_toonTextureID[m->getToonID()]);
/* set GL_CLAMP_TO_EDGE for toon texture to avoid texture interpolation at edge */
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
}
if (m_hasMultipleSphereMap) {
if (m->getAdditionalTexture()) {
/* this material has additional sphere map texture, bind it at texture unit 2 */
glActiveTextureARB(GL_TEXTURE2_ARB);
glEnable(GL_TEXTURE_2D);
if (m->getAdditionalTexture()->isSphereMapAdd())
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_ADD);
else
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glBindTexture(GL_TEXTURE_2D, m->getAdditionalTexture()->getID());
glEnable(GL_TEXTURE_GEN_S);
glEnable(GL_TEXTURE_GEN_T);
} else {
/* disable generation */
glActiveTextureARB(GL_TEXTURE2_ARB);
glDisable(GL_TEXTURE_2D);
}
}
/* draw elements */
glDrawElements(GL_TRIANGLES, m->getNumSurface(), GL_UNSIGNED_SHORT, surfaceData);
/* move surface pointer to next material */
surfaceData += m->getNumSurface();
/* reset some parameters */
if (m->getTexture() && m->getTexture()->isSphereMap() && m->getTexture()->isSphereMapAdd()) {
if (m_toon)
glActiveTextureARB(GL_TEXTURE0_ARB);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
}
}
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_NORMAL_ARRAY);
if (m_toon) {
glClientActiveTextureARB(GL_TEXTURE0_ARB);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
if (m_hasSingleSphereMap) {
glActiveTextureARB(GL_TEXTURE0_ARB);
glDisable(GL_TEXTURE_GEN_S);
glDisable(GL_TEXTURE_GEN_T);
}
glClientActiveTextureARB(GL_TEXTURE1_ARB);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
if (m_hasMultipleSphereMap) {
glActiveTextureARB(GL_TEXTURE2_ARB);
glDisable(GL_TEXTURE_GEN_S);
glDisable(GL_TEXTURE_GEN_T);
}
glActiveTextureARB(GL_TEXTURE0_ARB);
} else {
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
if (m_hasSingleSphereMap) {
glDisable(GL_TEXTURE_GEN_S);
glDisable(GL_TEXTURE_GEN_T);
}
if (m_hasMultipleSphereMap) {
glActiveTextureARB(GL_TEXTURE2_ARB);
glDisable(GL_TEXTURE_GEN_S);
glDisable(GL_TEXTURE_GEN_T);
glActiveTextureARB(GL_TEXTURE0_ARB);
}
}
if (m_hasSingleSphereMap || m_hasMultipleSphereMap) {
glDisable(GL_TEXTURE_GEN_S);
glDisable(GL_TEXTURE_GEN_T);
}
if (m_toon) {
glActiveTextureARB(GL_TEXTURE1_ARB);
glDisable(GL_TEXTURE_2D);
}
if (m_hasMultipleSphereMap) {
glActiveTextureARB(GL_TEXTURE2_ARB);
glDisable(GL_TEXTURE_2D);
}
glActiveTextureARB(GL_TEXTURE0_ARB);
glDisable(GL_TEXTURE_2D);
glEnable(GL_CULL_FACE);
#ifndef MMDFILES_CONVERTCOORDINATESYSTEM
glCullFace(GL_BACK);
glPopMatrix();
#endif /* !MMDFILES_CONVERTCOORDINATESYSTEM */
}
/* texture unit 2: additional sphere map texture, if exist */
void PMDModel::renderModel()
{
unsigned int i;
float c[4];
PMDMaterial *m;
float modelAlpha;
unsigned int numSurface;
unsigned int surfaceOffset;
bool drawEdge;
if (!m_vertexList) return;
if (!m_showFlag) return;
#ifndef MMDFILES_CONVERTCOORDINATESYSTEM
glPushMatrix();
glScalef(1.0f, 1.0f, -1.0f); /* from left-hand to right-hand */
glCullFace(GL_FRONT);
#endif /* !MMDFILES_CONVERTCOORDINATESYSTEM */
/* activate texture unit 0 */
glActiveTextureARB(GL_TEXTURE0_ARB);
glClientActiveTextureARB(GL_TEXTURE0_ARB);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glBindBuffer(GL_ARRAY_BUFFER, m_vboBufStatic);
glTexCoordPointer(2, GL_FLOAT, 0, (const GLvoid *) NULL);
glBindBuffer(GL_ARRAY_BUFFER, m_vboBufDynamic);
/* set lists */
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_NORMAL_ARRAY);
glVertexPointer(3, GL_FLOAT, sizeof(btVector3), (const GLvoid *) m_vboOffsetVertex);
glNormalPointer(GL_FLOAT, sizeof(btVector3), (const GLvoid *) m_vboOffsetNormal);
if (m_toon) {
/* set toon texture coordinates to texture unit 1 */
glActiveTextureARB(GL_TEXTURE1_ARB);
glEnable(GL_TEXTURE_2D);
glClientActiveTextureARB(GL_TEXTURE1_ARB);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
if (m_selfShadowDrawing) {
glBindBuffer(GL_ARRAY_BUFFER, m_vboBufStatic);
glTexCoordPointer(2, GL_FLOAT, 0, (const GLvoid *) m_vboOffsetCoordForShadowMap);
glBindBuffer(GL_ARRAY_BUFFER, m_vboBufDynamic);
} else
glTexCoordPointer(2, GL_FLOAT, 0, (const GLvoid *) m_vboOffsetToon);
glActiveTextureARB(GL_TEXTURE0_ARB);
glClientActiveTextureARB(GL_TEXTURE0_ARB);
}
#ifndef MMDFILES_DONTUSESPHEREMAP
if (m_hasSingleSphereMap) {
/* this model contains single sphere map texture */
/* set texture coordinate generation for sphere map on texture unit 0 */
glEnable(GL_TEXTURE_2D);
glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
glDisable(GL_TEXTURE_2D);
}
if (m_hasMultipleSphereMap) {
/* this model contains additional sphere map texture */
/* set texture coordinate generation for sphere map on texture unit 2 */
glActiveTextureARB(GL_TEXTURE2_ARB);
glEnable(GL_TEXTURE_2D);
glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
glDisable(GL_TEXTURE_2D);
glActiveTextureARB(GL_TEXTURE0_ARB);
}
#endif /* !MMDFILES_DONTUSESPHEREMAP */
/* calculate alpha value, applying model global alpha */
modelAlpha = m_globalAlpha;
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_vboBufElement);
/* render per material */
for (i = 0; i < m_numMaterial; i++) {
m = &(m_material[m_materialRenderOrder[i]]);
/* set colors */
c[3] = m->getAlpha() * modelAlpha;
if (c[3] > 0.99f) c[3] = 1.0f; /* clamp to 1.0 */
if (m_toon) {
/* use averaged color of diffuse and ambient for both */
m->copyAvgcol(c);
glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, &(c[0]));
m->copySpecular(c);
glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, &(c[0]));
} else {
/* use each color */
m->copyDiffuse(c);
glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, &(c[0]));
m->copyAmbient(c);
glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, &(c[0]));
m->copySpecular(c);
glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, &(c[0]));
}
glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, m->getShiness());
/* disable face culling for transparent materials */
if (m->getAlpha() < 1.0f)
glDisable(GL_CULL_FACE);
else
glEnable(GL_CULL_FACE);
/* if using multiple texture units, set current unit to 0 */
if (m_toon || m_hasMultipleSphereMap)
glActiveTextureARB(GL_TEXTURE0_ARB);
if (m->getTexture()) {
/* bind model texture */
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, m->getTexture()->getID());
#ifndef MMDFILES_DONTUSESPHEREMAP
if (m_hasSingleSphereMap) {
if (m->getTexture()->isSphereMap()) {
/* this is sphere map */
/* enable texture coordinate generation */
if (m->getTexture()->isSphereMapAdd())
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_ADD);
glEnable(GL_TEXTURE_GEN_S);
glEnable(GL_TEXTURE_GEN_T);
} else {
/* disable generation */
glDisable(GL_TEXTURE_GEN_S);
glDisable(GL_TEXTURE_GEN_T);
}
}
#endif /* !MMDFILES_DONTUSESPHEREMAP */
} else {
glDisable(GL_TEXTURE_2D);
}
if (m_toon) {
/* set toon texture for texture unit 1 */
glActiveTextureARB(GL_TEXTURE1_ARB);
glBindTexture(GL_TEXTURE_2D, m_toonTextureID[m->getToonID()]);
/* set GL_CLAMP_TO_EDGE for toon texture to avoid texture interpolation at edge */
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
}
#ifndef MMDFILES_DONTUSESPHEREMAP
if (m_hasMultipleSphereMap) {
if (m->getAdditionalTexture()) {
/* this material has additional sphere map texture, bind it at texture unit 2 */
glActiveTextureARB(GL_TEXTURE2_ARB);
glEnable(GL_TEXTURE_2D);
if (m->getAdditionalTexture()->isSphereMapAdd())
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_ADD);
else
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glBindTexture(GL_TEXTURE_2D, m->getAdditionalTexture()->getID());
glEnable(GL_TEXTURE_GEN_S);
glEnable(GL_TEXTURE_GEN_T);
} else {
/* disable generation */
glActiveTextureARB(GL_TEXTURE2_ARB);
glDisable(GL_TEXTURE_2D);
}
}
#endif /* !MMDFILES_DONTUSESPHEREMAP */
/* draw elements */
glDrawElements(GL_TRIANGLES, m->getNumSurface(), GL_UNSIGNED_SHORT, (const GLvoid *) (sizeof(unsigned short) * m->getSurfaceListIndex()));
/* reset some parameters */
if (m->getTexture() && m->getTexture()->isSphereMap() && m->getTexture()->isSphereMapAdd()) {
if (m_toon)
glActiveTextureARB(GL_TEXTURE0_ARB);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
}
}
glDisableClientState(GL_NORMAL_ARRAY);
if (m_toon) {
glClientActiveTextureARB(GL_TEXTURE0_ARB);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
#ifndef MMDFILES_DONTUSESPHEREMAP
if (m_hasSingleSphereMap) {
glActiveTextureARB(GL_TEXTURE0_ARB);
glDisable(GL_TEXTURE_GEN_S);
glDisable(GL_TEXTURE_GEN_T);
}
#endif /* !MMDFILES_DONTUSESPHEREMAP */
glClientActiveTextureARB(GL_TEXTURE1_ARB);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
#ifndef MMDFILES_DONTUSESPHEREMAP
if (m_hasMultipleSphereMap) {
glActiveTextureARB(GL_TEXTURE2_ARB);
glDisable(GL_TEXTURE_GEN_S);
glDisable(GL_TEXTURE_GEN_T);
}
#endif /* !MMDFILES_DONTUSESPHEREMAP */
glActiveTextureARB(GL_TEXTURE0_ARB);
} else {
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
#ifndef MMDFILES_DONTUSESPHEREMAP
if (m_hasSingleSphereMap) {
glDisable(GL_TEXTURE_GEN_S);
glDisable(GL_TEXTURE_GEN_T);
}
if (m_hasMultipleSphereMap) {
glActiveTextureARB(GL_TEXTURE2_ARB);
glDisable(GL_TEXTURE_GEN_S);
glDisable(GL_TEXTURE_GEN_T);
glActiveTextureARB(GL_TEXTURE0_ARB);
}
#endif /* !MMDFILES_DONTUSESPHEREMAP */
}
#ifndef MMDFILES_DONTUSESPHEREMAP
if (m_hasSingleSphereMap || m_hasMultipleSphereMap) {
glDisable(GL_TEXTURE_GEN_S);
glDisable(GL_TEXTURE_GEN_T);
}
#endif /* !MMDFILES_DONTUSESPHEREMAP */
if (m_toon) {
glActiveTextureARB(GL_TEXTURE1_ARB);
glDisable(GL_TEXTURE_2D);
}
#ifndef MMDFILES_DONTUSESPHEREMAP
if (m_hasMultipleSphereMap) {
glActiveTextureARB(GL_TEXTURE2_ARB);
glDisable(GL_TEXTURE_2D);
}
#endif /* !MMDFILES_DONTUSESPHEREMAP */
glActiveTextureARB(GL_TEXTURE0_ARB);
glClientActiveTextureARB(GL_TEXTURE0_ARB);
glDisable(GL_TEXTURE_2D);
glEnable(GL_CULL_FACE);
#ifndef MMDFILES_CONVERTCOORDINATESYSTEM
glCullFace(GL_BACK);
glPopMatrix();
#endif /* !MMDFILES_CONVERTCOORDINATESYSTEM */
/* draw edge */
drawEdge = true;
if (m_forceEdge) {
/* force edge drawing even if this model has no edge surface or no-toon mode */
if (m_numSurfaceForEdge == 0) {
numSurface = m_numSurface;
surfaceOffset = 0;
} else {
numSurface = m_numSurfaceForEdge;
surfaceOffset = m_vboOffsetSurfaceForEdge;
}
} else {
/* draw edge when toon mode, skip when this model has no edge surface */
if (!m_toon)
drawEdge = false;
if (m_numSurfaceForEdge == 0)
drawEdge = false;
numSurface = m_numSurfaceForEdge;
surfaceOffset = m_vboOffsetSurfaceForEdge;
}
if (drawEdge) {
#ifndef MMDFILES_CONVERTCOORDINATESYSTEM
glPushMatrix();
glScalef(1.0f, 1.0f, -1.0f);
glCullFace(GL_BACK);
#else
/* draw back surface only */
glCullFace(GL_FRONT);
#endif /* !MMDFILES_CONVERTCOORDINATESYSTEM */
glDisable(GL_LIGHTING);
glColor4f(m_edgeColor[0], m_edgeColor[1], m_edgeColor[2], m_edgeColor[3] * modelAlpha);
glVertexPointer(3, GL_FLOAT, sizeof(btVector3), (const GLvoid *) m_vboOffsetEdge);
glDrawElements(GL_TRIANGLES, numSurface, GL_UNSIGNED_SHORT, (const GLvoid *) surfaceOffset);
glEnable(GL_LIGHTING);
/* draw front again */
#ifndef MMDFILES_CONVERTCOORDINATESYSTEM
glPopMatrix();
glCullFace(GL_FRONT);
#else
glCullFace(GL_BACK);
#endif /* !MMDFILES_CONVERTCOORDINATESYSTEM */
}
glDisableClientState(GL_VERTEX_ARRAY);
/* unbind buffer */
glBindBuffer(GL_ARRAY_BUFFER, 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
}