void CSMFGroundDrawer::CreateBorderShader() {
std::string vsCode = std::move(Shader::GetShaderSource("GLSL/SMFBorderVertProg4.glsl"));
std::string fsCode = std::move(Shader::GetShaderSource("GLSL/SMFBorderFragProg4.glsl"));
Shader::GLSLShaderObject shaderObjs[2] = {{GL_VERTEX_SHADER, vsCode.c_str(), ""}, {GL_FRAGMENT_SHADER, fsCode.c_str(), ""}};
Shader::IProgramObject* shaderProg = &borderShader;
borderShader.AttachShaderObject(&shaderObjs[0]);
borderShader.AttachShaderObject(&shaderObjs[1]);
borderShader.ReloadShaderObjects();
borderShader.CreateAndLink();
borderShader.RecalculateShaderHash();
borderShader.ClearAttachedShaderObjects();
borderShader.Validate();
shaderProg->Enable();
shaderProg->SetUniformMatrix4x4<const char*, float>("u_movi_mat", false, CMatrix44f::Identity());
shaderProg->SetUniformMatrix4x4<const char*, float>("u_proj_mat", false, CMatrix44f::Identity());
shaderProg->SetUniform("u_diffuse_tex_sqr", -1, -1);
shaderProg->SetUniform("u_diffuse_tex", 0);
shaderProg->SetUniform("u_detail_tex", 2);
shaderProg->Disable();
}
void CSMFGroundDrawer::DrawWaterPlane(bool drawWaterReflection) {
if (drawWaterReflection)
return;
GL::RenderDataBuffer& buffer = waterPlaneBuffers[1 - (camera->GetPos().IsInBounds() && !mapRendering->voidWater)];
Shader::IProgramObject* shader = &buffer.GetShader();
shader->Enable();
shader->SetUniformMatrix4x4<const char*, float>("u_movi_mat", false, camera->GetViewMatrix());
shader->SetUniformMatrix4x4<const char*, float>("u_proj_mat", false, camera->GetProjectionMatrix());
shader->SetUniform("planeOffset", std::min(-200.0f, smfMap->GetCurrMinHeight() - 400.0f));
buffer.Submit(GL_TRIANGLE_STRIP, 0, buffer.GetNumElems<VA_TYPE_C>());
shader->Disable();
}
void CSMFGroundDrawer::CreateWaterPlanes(bool camOutsideMap) {
{
const float xsize = (smfMap->mapSizeX) >> 2;
const float ysize = (smfMap->mapSizeZ) >> 2;
const float size = std::min(xsize, ysize);
const float alphainc = math::TWOPI / 32.0f;
static std::vector<VA_TYPE_C> verts;
verts.clear();
verts.reserve(4 * (32 + 1) * 2);
const unsigned char fogColor[4] = {
(unsigned char)(255 * sky->fogColor[0]),
(unsigned char)(255 * sky->fogColor[1]),
(unsigned char)(255 * sky->fogColor[2]),
255
};
const unsigned char planeColor[4] = {
(unsigned char)(255 * waterRendering->planeColor[0]),
(unsigned char)(255 * waterRendering->planeColor[1]),
(unsigned char)(255 * waterRendering->planeColor[2]),
255
};
float alpha;
float r1;
float r2;
float3 p;
for (int n = (camOutsideMap) ? 0 : 1; n < 4; ++n) {
if ((n == 1) && !camOutsideMap) {
// don't render vertices under the map
r1 = 2.0f * size;
} else {
r1 = n * n * size;
}
if (n == 3) {
// last stripe: make it thinner (looks better with fog)
r2 = (n + 0.5) * (n + 0.5) * size;
} else {
r2 = (n + 1) * (n + 1) * size;
}
for (alpha = 0.0f; (alpha - math::TWOPI) < alphainc; alpha += alphainc) {
p.x = r1 * fastmath::sin(alpha) + 2.0f * xsize;
p.z = r1 * fastmath::cos(alpha) + 2.0f * ysize;
verts.push_back(VA_TYPE_C{p, {planeColor}});
p.x = r2 * fastmath::sin(alpha) + 2.0f * xsize;
p.z = r2 * fastmath::cos(alpha) + 2.0f * ysize;
verts.push_back(VA_TYPE_C{p, {(n == 3)? fogColor : planeColor}});
}
}
waterPlaneBuffers[camOutsideMap].Init();
waterPlaneBuffers[camOutsideMap].UploadC(verts.size(), 0, verts.data(), nullptr);
}
{
char vsBuf[65536];
char fsBuf[65536];
const char* vsVars = "uniform float planeOffset;\n";
const char* vsCode =
"\tgl_Position = u_proj_mat * u_movi_mat * vec4(a_vertex_xyz + vec3(0.0, planeOffset, 0.0), 1.0);\n"
"\tv_color_rgba = a_color_rgba;\n";
const char* fsVars = "const float v_color_mult = 1.0 / 255.0;\n";
const char* fsCode = "\tf_color_rgba = v_color_rgba * v_color_mult;\n";
GL::RenderDataBuffer::FormatShaderC(vsBuf, vsBuf + sizeof(vsBuf), "", vsVars, vsCode, "VS");
GL::RenderDataBuffer::FormatShaderC(fsBuf, fsBuf + sizeof(fsBuf), "", fsVars, fsCode, "FS");
GL::RenderDataBuffer& renderDataBuffer = waterPlaneBuffers[camOutsideMap];
Shader::GLSLShaderObject shaderObjs[2] = {{GL_VERTEX_SHADER, &vsBuf[0], ""}, {GL_FRAGMENT_SHADER, &fsBuf[0], ""}};
Shader::IProgramObject* shaderProg = renderDataBuffer.CreateShader((sizeof(shaderObjs) / sizeof(shaderObjs[0])), 0, &shaderObjs[0], nullptr);
shaderProg->Enable();
shaderProg->SetUniformMatrix4x4<const char*, float>("u_movi_mat", false, CMatrix44f::Identity());
shaderProg->SetUniformMatrix4x4<const char*, float>("u_proj_mat", false, CMatrix44f::Identity());
shaderProg->SetUniform("planeOffset", 0.0f);
shaderProg->Disable();
}
}