void Context::Draw()
{
Graphics::Renderer *r = GetRenderer();
// Ticket for the viewport mostly
Graphics::Renderer::StateTicket ticket(r);
r->SetViewport(0, 0, m_width, m_height);
// reset renderer for each layer
for (std::vector<Layer*>::iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
r->SetOrthographicProjection(0, m_width, m_height, 0, -1, 1);
r->SetTransform(matrix4x4f::Identity());
r->SetClearColor(Color4f::BLACK);
DrawWidget(*i);
r->SetScissor(false);
}
if (m_mousePointer && m_mousePointerEnabled) {
r->SetOrthographicProjection(0, m_width, m_height, 0, -1, 1);
r->SetTransform(matrix4x4f::Identity());
r->SetClearColor(Color4f::BLACK);
DrawWidget(m_mousePointer);
r->SetScissor(false);
}
}
void Billboard::Render(const matrix4x4f &trans, const RenderData *rd)
{
Graphics::Renderer *r = GetRenderer();
Graphics::VertexArray va(Graphics::ATTRIB_POSITION | Graphics::ATTRIB_UV0, 6);
const matrix3x3f rot = trans.GetOrient().Transpose();
//some hand-tweaked scaling, to make the lights seem larger from distance
const float size = m_size * Graphics::GetFovFactor() * Clamp(trans.GetTranslate().Length() / 500.f, 0.25f, 15.f);
const vector3f rotv1 = rot * vector3f(size/2.f, -size/2.f, 0.0f);
const vector3f rotv2 = rot * vector3f(size/2.f, size/2.f, 0.0f);
va.Add(m_offset-rotv1, vector2f(0.f, 0.f)); //top left
va.Add(m_offset-rotv2, vector2f(0.f, 1.f)); //bottom left
va.Add(m_offset+rotv2, vector2f(1.f, 0.f)); //top right
va.Add(m_offset+rotv2, vector2f(1.f, 0.f)); //top right
va.Add(m_offset-rotv2, vector2f(0.f, 1.f)); //bottom left
va.Add(m_offset+rotv1, vector2f(1.f, 1.f)); //bottom right
r->SetTransform(trans);
r->DrawTriangles(&va, m_renderState, m_material.Get());
}
void ShipSpinner::Draw()
{
Graphics::Renderer *r = GetContext()->GetRenderer();
Graphics::Renderer::StateTicket ticket(r);
r->SetPerspectiveProjection(45.f, 1.f, 1.f, 10000.f);
r->SetTransform(matrix4x4f::Identity());
r->SetDepthTest(true);
r->ClearDepthBuffer();
r->SetLights(1, &m_light);
Point pos(GetAbsolutePosition() + GetActiveOffset());
Point size(GetActiveArea());
r->SetViewport(pos.x, GetContext()->GetSize().y - pos.y - size.y, size.x, size.y);
matrix4x4f rot = matrix4x4f::RotateXMatrix(m_rotX);
rot.RotateY(m_rotY);
rot[14] = -1.5f * m_model->GetDrawClipRadius();
m_model->Render(r, rot, &m_params);
}
void Label3D::Render(const matrix4x4f &trans, const RenderData *rd)
{
//needs alpha test
Graphics::Renderer *r = GetRenderer();
r->SetTransform(trans);
r->DrawTriangles(m_geometry.Get(), m_material.Get());
}
void ModelSpinner::Draw()
{
Graphics::Renderer *r = GetContext()->GetRenderer();
Graphics::Renderer::StateTicket ticket(r);
const float fov = 45.f;
r->SetPerspectiveProjection(fov, 1.f, 1.f, 10000.f);
r->SetTransform(matrix4x4f::Identity());
r->SetDepthWrite(true);
r->SetDepthTest(true);
r->ClearDepthBuffer();
r->SetLights(1, &m_light);
Point pos(GetAbsolutePosition() + GetActiveOffset());
Point size(GetActiveArea());
r->SetViewport(pos.x, GetContext()->GetSize().y - pos.y - size.y, size.x, size.y);
matrix4x4f rot = matrix4x4f::RotateXMatrix(m_rotX);
rot.RotateY(m_rotY);
const float dist = m_model->GetDrawClipRadius() / sinf(DEG2RAD(fov*0.5f));
rot[14] = -dist;
m_model->Render(rot);
}
int main(int argc, char **argv)
{
FileSystem::Init();
if (SDL_Init(SDL_INIT_VIDEO) < 0) {
Output("sdl init failed: %s\n", SDL_GetError());
exit(-1);
}
Graphics::Settings videoSettings;
videoSettings.width = WIDTH;
videoSettings.height = HEIGHT;
videoSettings.fullscreen = false;
videoSettings.hidden = false;
videoSettings.requestedSamples = 0;
videoSettings.vsync = false;
videoSettings.useTextureCompression = false;
videoSettings.enableDebugMessages = false;
videoSettings.iconFile = OS::GetIconFilename();
videoSettings.title = "textstress";
Graphics::Renderer *r = Graphics::Init(videoSettings);
r->SetOrthographicProjection(0, WIDTH, HEIGHT, 0, -1, 1);
r->SetTransform(matrix4x4f::Identity());
r->SetClearColor(Color::BLACK);
r->SetBlendMode(Graphics::BLEND_ALPHA);
r->SetDepthTest(false);
const Text::FontDescriptor fontDesc(Text::FontDescriptor::Load(FileSystem::gameDataFiles, "fonts/UIFont.ini", "en"));
Text::TextureFont *font = new Text::TextureFont(fontDesc, r);
std::string str;
for (int i = 33; i < 127; i++)
str.push_back(i);
while (1) {
bool done = false;
SDL_Event event;
while (SDL_PollEvent(&event)) {
if (event.type == SDL_KEYDOWN && event.key.keysym.sym == SDLK_ESCAPE)
done = true;
}
if (done)
break;
font->RenderString(str.c_str(), rand()%(WIDTH*2)-WIDTH, rand()%HEIGHT, Color::WHITE);
r->SwapBuffers();
}
delete font;
delete r;
SDL_Quit();
exit(0);
}
void Screen::LeaveOrtho()
{
PROFILE_SCOPED()
Graphics::Renderer *r = GetRenderer();
r->SetProjection(projMatrix);
r->SetTransform(modelMatrix);
}
void StaticGeometry::Render(const matrix4x4f &trans, const RenderData *rd)
{
PROFILE_SCOPED()
SDL_assert(m_renderState);
Graphics::Renderer *r = GetRenderer();
r->SetTransform(trans);
for (auto& it : m_meshes)
r->DrawBufferIndexed(it.vertexBuffer.Get(), it.indexBuffer.Get(), m_renderState, it.material.Get());
//DrawBoundingBox(m_boundingBox);
}
void StaticGeometry::Render(const std::vector<matrix4x4f> &trans, const RenderData *rd)
{
PROFILE_SCOPED()
SDL_assert(m_renderState);
Graphics::Renderer *r = GetRenderer();
const size_t numTrans = trans.size();
if (!m_instBuffer.Valid() || (numTrans > m_instBuffer->GetSize()))
{
// create the InstanceBuffer with the maximum number of transformations we might use within it.
m_instBuffer.Reset( r->CreateInstanceBuffer(numTrans, Graphics::BUFFER_USAGE_DYNAMIC) );
}
// Update the InstanceBuffer data
for(Uint32 i=0; i<numTrans; i++) {
Graphics::InstanceBuffer* ib = m_instBuffer.Get();
matrix4x4f *pBuffer = ib->Map(Graphics::BUFFER_MAP_WRITE);
// Copy the transforms into the buffer
for(auto mt : trans) {
(*pBuffer) = mt;
++pBuffer;
}
ib->Unmap();
ib->SetInstanceCount(numTrans);
}
// we'll set the transformation within the vertex shader so identity the global one
r->SetTransform(matrix4x4f::Identity());
// process each mesh
for (auto& it : m_meshes) {
// Due to the shader needing to change we have to get the material and force it to the instanced variant
Graphics::MaterialDescriptor mdesc = it.material->GetDescriptor();
mdesc.instanced = true;
// create the "new" material with the instanced description
RefCountedPtr<Graphics::Material> mat(r->CreateMaterial(mdesc));
// copy over all of the other details
mat->texture0 = it.material->texture0;
mat->texture1 = it.material->texture1;
mat->texture2 = it.material->texture2;
mat->texture3 = it.material->texture3;
mat->texture4 = it.material->texture4;
mat->texture5 = it.material->texture5;
mat->texture6 = it.material->texture5;
mat->heatGradient = it.material->heatGradient;
mat->diffuse = it.material->diffuse;
mat->specular = it.material->specular;
mat->emissive = it.material->emissive;
mat->shininess = it.material->shininess;
mat->specialParameter0 = it.material->specialParameter0;
// finally render using the instance material
r->DrawBufferIndexedInstanced(it.vertexBuffer.Get(), it.indexBuffer.Get(), m_renderState, mat.Get(), m_instBuffer.Get());
}
}
void Screen::EnterOrtho()
{
PROFILE_SCOPED()
Graphics::Renderer *r = GetRenderer();
modelMatrix = r->GetCurrentModelView();
projMatrix = r->GetCurrentProjection();
r->GetCurrentViewport(&viewport[0]);
r->SetOrthographicProjection(0, width, height, 0, -1, 1);
r->SetTransform(matrix4x4f::Identity());
}
void Context::Draw()
{
Graphics::Renderer *r = GetRenderer();
// reset renderer for each layer
for (std::vector<Layer*>::iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
r->SetOrthographicProjection(0, m_width, m_height, 0, -1, 1);
r->SetTransform(matrix4x4f::Identity());
r->SetClearColor(Color::BLACK);
(*i)->Draw();
r->SetScissor(false);
}
}
void Context::Draw()
{
Graphics::Renderer *r = GetRenderer();
r->SetOrthographicProjection(0, m_width, m_height, 0, -1, 1);
r->SetTransform(matrix4x4f::Identity());
r->SetClearColor(Color::BLACK);
r->SetBlendMode(Graphics::BLEND_ALPHA);
r->SetDepthTest(false);
Single::Draw();
m_float->Draw();
r->SetScissor(false);
}
void Thruster::Render(const matrix4x4f &trans, const RenderData *rd)
{
float power = 0.f;
power = -dir.Dot(vector3f(rd->linthrust));
if (!linearOnly) {
// pitch X
// yaw Y
// roll Z
//model center is at 0,0,0, no need for invSubModelMat stuff
const vector3f at = vector3f(rd->angthrust);
const vector3f angdir = pos.Cross(dir);
const float xp = angdir.x * at.x;
const float yp = angdir.y * at.y;
const float zp = angdir.z * at.z;
if (xp+yp+zp > 0) {
if (xp > yp && xp > zp && fabs(at.x) > power) power = fabs(at.x);
else if (yp > xp && yp > zp && fabs(at.y) > power) power = fabs(at.y);
else if (zp > xp && zp > yp && fabs(at.z) > power) power = fabs(at.z);
}
}
if (power < 0.001f) return;
Graphics::Renderer *r = GetRenderer();
r->SetTransform(trans);
r->SetBlendMode(Graphics::BLEND_ALPHA_ONE);
r->SetDepthWrite(false);
m_tMat->diffuse = m_glowMat->diffuse = baseColor * power;
//directional fade
vector3f cdir = vector3f(trans * -dir).Normalized();
vector3f vdir = vector3f(trans[2], trans[6], -trans[10]).Normalized();
// XXX check this for transition to new colors.
m_glowMat->diffuse.a = Easing::Circ::EaseIn(Clamp(vdir.Dot(cdir), 0.f, 1.f), 0.f, 1.f, 1.f) * 255;
m_tMat->diffuse.a = 255 - m_glowMat->diffuse.a;
r->DrawTriangles(m_tVerts.get(), m_tMat.Get());
r->DrawTriangles(m_glowVerts.get(), m_glowMat.Get());
r->SetBlendMode(Graphics::BLEND_SOLID);
r->SetDepthWrite(true);
}
void Billboard::Render(const matrix4x4f &trans, const RenderData *rd)
{
PROFILE_SCOPED()
Graphics::Renderer *r = GetRenderer();
const matrix3x3f rot = trans.GetOrient().Transpose();
//some hand-tweaked scaling, to make the lights seem larger from distance
const float size = m_size * Graphics::GetFovFactor() * Clamp(trans.GetTranslate().Length() / 500.f, 0.25f, 15.f);
const vector3f rotv1 = rot * vector3f(size*0.5f, -size*0.5f, 0.0f);
const vector3f rotv2 = rot * vector3f(size*0.5f, size*0.5f, 0.0f);
if( !m_vbuffer.Valid() )
{
//create buffer and upload data
Graphics::VertexBufferDesc vbd;
vbd.attrib[0].semantic = Graphics::ATTRIB_POSITION;
vbd.attrib[0].format = Graphics::ATTRIB_FORMAT_FLOAT3;
vbd.attrib[1].semantic = Graphics::ATTRIB_UV0;
vbd.attrib[1].format = Graphics::ATTRIB_FORMAT_FLOAT2;
vbd.numVertices = 6;
vbd.usage = Graphics::BUFFER_USAGE_DYNAMIC; // we could be updating this per-frame
m_vbuffer.Reset( r->CreateVertexBuffer(vbd) );
}
#pragma pack(push, 4)
struct PosUVVert {
vector3f pos;
vector2f uv;
};
#pragma pack(pop)
PosUVVert* vtxPtr = m_vbuffer->Map<PosUVVert>(Graphics::BUFFER_MAP_WRITE);
vtxPtr[0].pos = (m_offset - rotv1); vtxPtr[0].uv = vector2f(0.f, 0.f); //top left
vtxPtr[1].pos = (m_offset - rotv2); vtxPtr[1].uv = vector2f(0.f, 1.f); //bottom left
vtxPtr[2].pos = (m_offset + rotv2); vtxPtr[2].uv = vector2f(1.f, 0.f); //top right
vtxPtr[3].pos = (m_offset + rotv2); vtxPtr[3].uv = vector2f(1.f, 0.f); //top right
vtxPtr[4].pos = (m_offset - rotv2); vtxPtr[4].uv = vector2f(0.f, 1.f); //bottom left
vtxPtr[5].pos = (m_offset + rotv1); vtxPtr[5].uv = vector2f(1.f, 1.f); //bottom right
m_vbuffer->Unmap();
r->SetTransform(trans);
r->DrawBuffer(m_vbuffer.Get(), m_renderState, m_material.Get());
r->GetStats().AddToStatCount(Graphics::Stats::STAT_BILLBOARD, 1);
}
void Thruster::Render(const matrix4x4f &trans, const RenderData *rd)
{
float power = 0.f;
power = -dir.Dot(vector3f(rd->linthrust));
if (!linearOnly) {
// pitch X
// yaw Y
// roll Z
//model center is at 0,0,0, no need for invSubModelMat stuff
const vector3f at = vector3f(rd->angthrust);
const vector3f angdir = pos.Cross(dir);
const float xp = angdir.x * at.x;
const float yp = angdir.y * at.y;
const float zp = angdir.z * at.z;
if (xp+yp+zp > 0) {
if (xp > yp && xp > zp && fabs(at.x) > power) power = fabs(at.x);
else if (yp > xp && yp > zp && fabs(at.y) > power) power = fabs(at.y);
else if (zp > xp && zp > yp && fabs(at.z) > power) power = fabs(at.z);
}
}
if (power < 0.001f) return;
Graphics::Renderer *r = GetRenderer();
r->SetBlendMode(Graphics::BLEND_ADDITIVE);
r->SetDepthWrite(false);
r->SetTransform(trans);
m_tMat->diffuse = baseColor * power;
//directional fade
/*vector3f cdir(0.f, 0.f, -1.f);
vector3f vdir(-trans[2], -trans[6], -trans[10]);
m_tMat->diffuse.a = 1.f - Clamp(vdir.Dot(cdir), 0.f, 1.f);*/
r->DrawTriangles(m_tVerts.Get(), m_tMat.Get());
r->SetBlendMode(Graphics::BLEND_SOLID);
r->SetDepthWrite(true);
}
int main(int argc, char **argv)
{
FileSystem::Init();
if (SDL_Init(SDL_INIT_VIDEO) < 0) {
fprintf(stderr, "sdl init failed: %s\n", SDL_GetError());
exit(-1);
}
const SDL_VideoInfo *info = SDL_GetVideoInfo();
switch (info->vfmt->BitsPerPixel) {
case 16:
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 6);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
break;
case 24:
case 32:
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
break;
default:
fprintf(stderr, "invalid pixel depth: %d bpp\n", info->vfmt->BitsPerPixel);
exit(-1);
}
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
SDL_GL_SetAttribute(SDL_GL_SWAP_CONTROL, 1);
SDL_Surface *surface = SDL_SetVideoMode(WIDTH, HEIGHT, info->vfmt->BitsPerPixel, SDL_OPENGL);
if (!surface) {
fprintf(stderr, "sdl video mode init failed: %s\n", SDL_GetError());
SDL_Quit();
exit(-1);
}
SDL_WM_SetCaption("textstress", "textstress");
Graphics::Settings videoSettings;
videoSettings.width = WIDTH;
videoSettings.height = HEIGHT;
videoSettings.fullscreen = false;
videoSettings.shaders = false;
videoSettings.requestedSamples = 0;
videoSettings.vsync = false;
videoSettings.useTextureCompression = false;
Graphics::Renderer *r = Graphics::Init(videoSettings);
r->SetOrthographicProjection(0, WIDTH, HEIGHT, 0, -1, 1);
r->SetTransform(matrix4x4f::Identity());
r->SetClearColor(Color::BLACK);
r->SetBlendMode(Graphics::BLEND_ALPHA);
r->SetDepthTest(false);
const Text::FontDescriptor fontDesc(Text::FontDescriptor::Load(FileSystem::gameDataFiles, "fonts/UIFont.ini", "English"));
Text::TextureFont *font = new Text::TextureFont(fontDesc, r);
std::string str;
for (int i = 33; i < 127; i++)
str.push_back(i);
while (1) {
bool done = false;
SDL_Event event;
while (SDL_PollEvent(&event)) {
if (event.type == SDL_KEYDOWN && event.key.keysym.sym == SDLK_ESCAPE)
done = true;
}
if (done)
break;
font->RenderString(str.c_str(), rand()%(WIDTH*2)-WIDTH, rand()%HEIGHT, Color::WHITE);
r->SwapBuffers();
}
delete font;
delete r;
SDL_Quit();
exit(0);
}