/**
* erzeugt die OpenGL-Vertices.
*
* @author OLiver
* @author FloSoft
*/
void TerrainRenderer::GenerateOpenGL(const GameWorldViewer * gwv)
{
width = gwv->GetWidth();
height = gwv->GetHeight();
LandscapeType lt = gwv->GetLandscapeType();
GenerateVertices(gwv);
unsigned int offset = width * height * 2;
// Ränder zählen
borders = new Borders[width * height];
for(unsigned short y = 0; y < height; ++y)
{
for(unsigned short x = 0; x < width; ++x)
{
unsigned char t1 = gwv->GetNode(x, y).t1;
unsigned char t2 = gwv->GetNode(x, y).t2;
unsigned int pos = y * width + x;
if( (borders[pos].left_right[0] = BORDER_TABLES[lt][t1][t2][1]) )
{
borders[pos].left_right_offset[0] = offset + border_count;
++border_count;
}
if( (borders[pos].left_right[1] = BORDER_TABLES[lt][t1][t2][0]) )
{
borders[pos].left_right_offset[1] = offset + border_count;
++border_count;
}
t1 = gwv->GetNodeAround(x, y,3).t1;
if( (borders[pos].right_left[0] = BORDER_TABLES[lt][t2][t1][1]) )
{
borders[pos].right_left_offset[0] = offset + border_count;
++border_count;
}
if( (borders[pos].right_left[1] = BORDER_TABLES[lt][t2][t1][0]) )
{
borders[pos].right_left_offset[1] = offset + border_count;
++border_count;
}
t1 = gwv->GetNode(x, y).t1;
t2 = gwv->GetNodeAround(x,y,5).t2;
if( (borders[pos].top_down[0] = BORDER_TABLES[lt][t1][t2][1]) )
{
borders[pos].top_down_offset[0] = offset + border_count;
++border_count;
}
if( (borders[pos].top_down[1] = BORDER_TABLES[lt][t1][t2][0]) )
{
borders[pos].top_down_offset[1] = offset + border_count;
++border_count;
}
}
}
gl_vertices = new Triangle[offset + border_count];
gl_texcoords = new Triangle[offset + border_count];
gl_colors = new ColorTriangle[offset + border_count];
// Normales Terrain erzeugen
for(unsigned short y = 0; y < height; ++y)
{
for(unsigned short x = 0; x < width; ++x)
{
UpdateTrianglePos(x,y,gwv,false);
UpdateTriangleColor(x,y,gwv,false);
UpdateTriangleTerrain(x,y,gwv,false);
}
}
// Ränder erzeugen
for(unsigned short y = 0; y < height; ++y)
{
for(unsigned short x = 0; x < width; ++x)
{
UpdateBorderTrianglePos(x,y,gwv,false);
UpdateBorderTriangleColor(x,y,gwv,false);
UpdateBorderTriangleTerrain(x,y,gwv,false);
}
}
//unsigned buffer_size = (offset ) * 2 * 3 * sizeof(float);
if(SETTINGS.video.vbo)
{
// Generiere und Binde den Vertex Buffer
glGenBuffersARB(1, (GLuint*)&vbo_vertices);
glBindBufferARB(GL_ARRAY_BUFFER_ARB, vbo_vertices);
glBufferDataARB(GL_ARRAY_BUFFER_ARB, (offset + border_count) * 3 * 2 * sizeof(float), gl_vertices, GL_STATIC_DRAW_ARB);
glVertexPointer(2, GL_FLOAT, 0, NULL);
// Generiere und Binde den Textur Koordinaten Buffer
glGenBuffersARB(1, (GLuint*)&vbo_texcoords);
glBindBufferARB(GL_ARRAY_BUFFER_ARB,vbo_texcoords);
glBufferDataARB(GL_ARRAY_BUFFER_ARB, (offset + border_count) * 3 * 2 * sizeof(float), gl_texcoords, GL_STATIC_DRAW_ARB );
glTexCoordPointer(2, GL_FLOAT, 0, NULL);
// Generiere und Binde den Color Buffer
glGenBuffersARB(1, (GLuint*)&vbo_colors);
glBindBufferARB(GL_ARRAY_BUFFER_ARB,vbo_colors);
glBufferDataARB(GL_ARRAY_BUFFER_ARB, (offset + border_count) * 3 * 3 * sizeof(float), gl_colors, GL_STATIC_DRAW_ARB );
glColorPointer(3, GL_FLOAT, 0, NULL);
}
else
{
glVertexPointer(2, GL_FLOAT, 0, gl_vertices);
glTexCoordPointer(2, GL_FLOAT, 0, gl_texcoords);
glColorPointer(3, GL_FLOAT, 0, gl_colors);
}
}
/**
* erzeugt die OpenGL-Vertices.
*
* @author OLiver
* @author FloSoft
*/
void TerrainRenderer::GenerateOpenGL(const GameWorldViewer& gwv)
{
width = gwv.GetWidth();
height = gwv.GetHeight();
LandscapeType lt = gwv.GetLandscapeType();
GenerateVertices(gwv);
// We have 2 triangles per map point
unsigned int triangleCount = width * height * 2;
// Ränder zählen
borders.resize(width * height);
for(MapCoord y = 0; y < height; ++y)
{
for(MapCoord x = 0; x < width; ++x)
{
MapPoint pt(x, y);
TerrainType t1 = gwv.GetNode(pt).t1; //-V807
TerrainType t2 = gwv.GetNode(pt).t2;
unsigned int pos = GetVertexIdx(pt);
if( (borders[pos].left_right[0] = TerrainData::GetEdgeType(lt, t2, t1)) )
borders[pos].left_right_offset[0] = triangleCount++;
if( (borders[pos].left_right[1] = TerrainData::GetEdgeType(lt, t1, t2)) )
borders[pos].left_right_offset[1] = triangleCount++;
t1 = gwv.GetNodeAround(pt, 3).t1;
if( (borders[pos].right_left[0] = TerrainData::GetEdgeType(lt, t1, t2)) )
borders[pos].right_left_offset[0] = triangleCount++;
if( (borders[pos].right_left[1] = TerrainData::GetEdgeType(lt, t2, t1)) )
borders[pos].right_left_offset[1] = triangleCount++;
t1 = gwv.GetNode(pt).t1;
t2 = gwv.GetNodeAround(pt, 5).t2;
if( (borders[pos].top_down[0] = TerrainData::GetEdgeType(lt, t2, t1)) )
borders[pos].top_down_offset[0] = triangleCount++;
if( (borders[pos].top_down[1] = TerrainData::GetEdgeType(lt, t1, t2)) )
borders[pos].top_down_offset[1] = triangleCount++;
}
}
gl_vertices.resize(triangleCount);
gl_texcoords.resize(triangleCount);
gl_colors.resize(triangleCount);
// Normales Terrain erzeugen
for(MapCoord y = 0; y < height; ++y)
{
for(MapCoord x = 0; x < width; ++x)
{
MapPoint pt(x, y);
UpdateTrianglePos(pt, gwv, false);
UpdateTriangleColor(pt, gwv, false);
UpdateTriangleTerrain(pt, gwv, false);
}
}
// Ränder erzeugen
for(MapCoord y = 0; y < height; ++y)
{
for(MapCoord x = 0; x < width; ++x)
{
MapPoint pt(x, y);
UpdateBorderTrianglePos(pt, gwv, false);
UpdateBorderTriangleColor(pt, gwv, false);
UpdateBorderTriangleTerrain(pt, gwv, false);
}
}
if(SETTINGS.video.vbo)
{
// Generiere und Binde den Vertex Buffer
glGenBuffersARB(1, (GLuint*)&vbo_vertices);
glBindBufferARB(GL_ARRAY_BUFFER_ARB, vbo_vertices);
glBufferDataARB(GL_ARRAY_BUFFER_ARB, gl_vertices.size() * sizeof(Triangle), &gl_vertices.front(), GL_STATIC_DRAW_ARB);
glVertexPointer(2, GL_FLOAT, 0, NULL);
// Generiere und Binde den Textur Koordinaten Buffer
glGenBuffersARB(1, (GLuint*)&vbo_texcoords);
glBindBufferARB(GL_ARRAY_BUFFER_ARB, vbo_texcoords);
glBufferDataARB(GL_ARRAY_BUFFER_ARB, gl_texcoords.size() * sizeof(Triangle), &gl_texcoords.front(), GL_STATIC_DRAW_ARB );
glTexCoordPointer(2, GL_FLOAT, 0, NULL);
// Generiere und Binde den Color Buffer
glGenBuffersARB(1, (GLuint*)&vbo_colors);
glBindBufferARB(GL_ARRAY_BUFFER_ARB, vbo_colors);
glBufferDataARB(GL_ARRAY_BUFFER_ARB, gl_colors.size() * sizeof(ColorTriangle), &gl_colors.front(), GL_STATIC_DRAW_ARB );
glColorPointer(3, GL_FLOAT, 0, NULL);
vboBuffersUsed = true;
}
else
{
glVertexPointer(2, GL_FLOAT, 0, &gl_vertices.front());
glTexCoordPointer(2, GL_FLOAT, 0, &gl_texcoords.front());
glColorPointer(3, GL_FLOAT, 0, &gl_colors.front());
}
}