+#include "AlphaSprite.hpp"
#include "CreatureSkin.hpp"
+#include "PlainColor.hpp"
#include "PlanetSurface.hpp"
#include "Program.hpp"
#include "Shader.hpp"
#include "SunSurface.hpp"
#include "ArrayTexture.hpp"
+#include "Texture.hpp"
#include "../app/init.hpp"
#include <algorithm>
glDisable(GL_BLEND);
}
+void PlanetSurface::SetM(const glm::mat4 &mm) noexcept {
+ m = mm;
+ mv = v * m;
+ mvp = p * mv;
+ prog.Uniform(m_handle, m);
+ prog.Uniform(mv_handle, mv);
+ prog.Uniform(mvp_handle, mvp);
+}
+
+void PlanetSurface::SetVP(const glm::mat4 &vv, const glm::mat4 &pp) noexcept {
+ v = vv;
+ p = pp;
+ mv = v * m;
+ mvp = p * mv;
+ prog.Uniform(mv_handle, mv);
+ prog.Uniform(mvp_handle, mvp);
+}
+
void PlanetSurface::SetMVP(const glm::mat4 &mm, const glm::mat4 &vv, const glm::mat4 &pp) noexcept {
m = mm;
v = vv;
glDisable(GL_BLEND);
}
+void SunSurface::SetM(const glm::mat4 &mm) noexcept {
+ m = mm;
+ mv = v * m;
+ mvp = p * mv;
+ prog.Uniform(m_handle, m);
+ prog.Uniform(mv_handle, mv);
+ prog.Uniform(mvp_handle, mvp);
+}
+
+void SunSurface::SetVP(const glm::mat4 &vv, const glm::mat4 &pp) noexcept {
+ v = vv;
+ p = pp;
+ mv = v * m;
+ mvp = p * mv;
+ prog.Uniform(mv_handle, mv);
+ prog.Uniform(mvp_handle, mvp);
+}
+
void SunSurface::SetMVP(const glm::mat4 &mm, const glm::mat4 &vv, const glm::mat4 &pp) noexcept {
m = mm;
v = vv;
glDisable(GL_BLEND);
}
+void CreatureSkin::SetM(const glm::mat4 &mm) noexcept {
+ m = mm;
+ mv = v * m;
+ mvp = p * mv;
+ prog.Uniform(m_handle, m);
+ prog.Uniform(mv_handle, mv);
+ prog.Uniform(mvp_handle, mvp);
+}
+
+void CreatureSkin::SetVP(const glm::mat4 &vv, const glm::mat4 &pp) noexcept {
+ v = vv;
+ p = pp;
+ mv = v * m;
+ mvp = p * mv;
+ prog.Uniform(mv_handle, mv);
+ prog.Uniform(mvp_handle, mvp);
+}
+
void CreatureSkin::SetMVP(const glm::mat4 &mm, const glm::mat4 &vv, const glm::mat4 &pp) noexcept {
m = mm;
v = vv;
prog.Uniform(num_lights_handle, std::min(MAX_LIGHTS, n));
}
+
+PlainColor::PlainColor()
+: prog() {
+ prog.LoadShader(
+ GL_VERTEX_SHADER,
+ "#version 330 core\n"
+
+ "layout(location = 0) in vec3 vtx_position;\n"
+
+ "uniform mat4 M;\n"
+ "uniform mat4 MV;\n"
+ "uniform mat4 MVP;\n"
+
+ "void main() {\n"
+ "gl_Position = MVP * vec4(vtx_position, 1);\n"
+ "}\n"
+ );
+ prog.LoadShader(
+ GL_FRAGMENT_SHADER,
+ "#version 330 core\n"
+
+ "uniform vec3 fg_color;\n"
+
+ "out vec3 color;\n"
+
+ "void main() {\n"
+ "color = fg_color;\n"
+ "}\n"
+ );
+ prog.Link();
+ if (!prog.Linked()) {
+ prog.Log(std::cerr);
+ throw std::runtime_error("link program");
+ }
+ m_handle = prog.UniformLocation("M");
+ mv_handle = prog.UniformLocation("MV");
+ mvp_handle = prog.UniformLocation("MVP");
+ fg_color_handle = prog.UniformLocation("fg_color");
+
+ vao.Bind();
+ vao.BindAttributes();
+ vao.EnableAttribute(0);
+ vao.AttributePointer<glm::vec3>(0, false, offsetof(Attributes, position));
+ vao.ReserveAttributes(4, GL_STATIC_DRAW);
+ {
+ auto attrib = vao.MapAttributes(GL_WRITE_ONLY);
+ attrib[0].position = glm::vec3(-1.0f, -1.0f, 0.0f);
+ attrib[1].position = glm::vec3(-1.0f, 1.0f, 0.0f);
+ attrib[2].position = glm::vec3( 1.0f, -1.0f, 0.0f);
+ attrib[3].position = glm::vec3( 1.0f, 1.0f, 0.0f);
+ }
+ vao.BindElements();
+ vao.ReserveElements(7, GL_STATIC_DRAW);
+ {
+ auto element = vao.MapElements(GL_WRITE_ONLY);
+ element[ 0] = 0;
+ element[ 1] = 3;
+ element[ 2] = 2;
+ element[ 3] = 0;
+ element[ 4] = 1;
+ element[ 5] = 3;
+ element[ 6] = 2;
+ }
+ vao.Unbind();
+}
+
+PlainColor::~PlainColor() {
+}
+
+void PlainColor::Activate() noexcept {
+ prog.Use();
+ glEnable(GL_DEPTH_TEST);
+ glDepthFunc(GL_LESS);
+ glEnable(GL_CULL_FACE);
+ glDisable(GL_BLEND);
+}
+
+void PlainColor::SetM(const glm::mat4 &mm) noexcept {
+ m = mm;
+ mv = v * m;
+ mvp = p * mv;
+ prog.Uniform(m_handle, m);
+ prog.Uniform(mv_handle, mv);
+ prog.Uniform(mvp_handle, mvp);
+}
+
+void PlainColor::SetVP(const glm::mat4 &vv, const glm::mat4 &pp) noexcept {
+ v = vv;
+ p = pp;
+ mv = v * m;
+ mvp = p * mv;
+ prog.Uniform(mv_handle, mv);
+ prog.Uniform(mvp_handle, mvp);
+}
+
+void PlainColor::SetMVP(const glm::mat4 &mm, const glm::mat4 &vv, const glm::mat4 &pp) noexcept {
+ m = mm;
+ v = vv;
+ p = pp;
+ mv = v * m;
+ mvp = p * mv;
+ prog.Uniform(m_handle, m);
+ prog.Uniform(mv_handle, mv);
+ prog.Uniform(mvp_handle, mvp);
+}
+
+void PlainColor::SetColor(const glm::vec3 &color) noexcept {
+ prog.Uniform(fg_color_handle, color);
+}
+
+void PlainColor::DrawRect() const noexcept {
+ vao.Bind();
+ vao.DrawTriangles(6);
+}
+
+void PlainColor::OutlineRect() const noexcept {
+ vao.Bind();
+ vao.DrawLineLoop(4, 3);
+}
+
+
+AlphaSprite::AlphaSprite()
+: prog() {
+ prog.LoadShader(
+ GL_VERTEX_SHADER,
+ "#version 330 core\n"
+
+ "layout(location = 0) in vec3 vtx_position;\n"
+ "layout(location = 1) in vec2 vtx_texture;\n"
+
+ "uniform mat4 M;\n"
+ "uniform mat4 MV;\n"
+ "uniform mat4 MVP;\n"
+
+ "out vec2 frag_tex_uv;\n"
+
+ "void main() {\n"
+ "gl_Position = MVP * vec4(vtx_position, 1);\n"
+ "frag_tex_uv = vtx_texture;\n"
+ "}\n"
+ );
+ prog.LoadShader(
+ GL_FRAGMENT_SHADER,
+ "#version 330 core\n"
+
+ "in vec2 frag_tex_uv;\n"
+
+ "uniform sampler2D tex_sampler;\n"
+ "uniform vec4 fg_color;\n"
+ "uniform vec4 bg_color;\n"
+
+ "out vec4 color;\n"
+
+ "void main() {\n"
+ "vec4 tex_color = texture(tex_sampler, frag_tex_uv);\n"
+ "vec4 factor = mix(bg_color, fg_color, tex_color.a);\n"
+ "color = vec4((tex_color * factor).rgb, factor.a);\n"
+ "}\n"
+ );
+ prog.Link();
+ if (!prog.Linked()) {
+ prog.Log(std::cerr);
+ throw std::runtime_error("link program");
+ }
+ m_handle = prog.UniformLocation("M");
+ mv_handle = prog.UniformLocation("MV");
+ mvp_handle = prog.UniformLocation("MVP");
+ sampler_handle = prog.UniformLocation("tex_sampler");
+ fg_color_handle = prog.UniformLocation("fg_color");
+ bg_color_handle = prog.UniformLocation("bg_color");
+
+ vao.Bind();
+ vao.BindAttributes();
+ vao.EnableAttribute(0);
+ vao.EnableAttribute(1);
+ vao.AttributePointer<glm::vec3>(0, false, offsetof(Attributes, position));
+ vao.AttributePointer<glm::vec2>(1, false, offsetof(Attributes, texture));
+ vao.ReserveAttributes(4, GL_STATIC_DRAW);
+ {
+ auto attrib = vao.MapAttributes(GL_WRITE_ONLY);
+ attrib[0].position = glm::vec3(-1.0f, -1.0f, 0.0f);
+ attrib[0].texture = glm::vec2(0.0f, 0.0f);
+ attrib[1].position = glm::vec3(-1.0f, 1.0f, 0.0f);
+ attrib[1].texture = glm::vec2(0.0f, 1.0f);
+ attrib[2].position = glm::vec3( 1.0f, -1.0f, 0.0f);
+ attrib[2].texture = glm::vec2(1.0f, 0.0f);
+ attrib[3].position = glm::vec3( 1.0f, 1.0f, 0.0f);
+ attrib[3].texture = glm::vec2(1.0f, 1.0f);
+ }
+ vao.BindElements();
+ vao.ReserveElements(7, GL_STATIC_DRAW);
+ {
+ auto element = vao.MapElements(GL_WRITE_ONLY);
+ element[ 0] = 0;
+ element[ 1] = 1;
+ element[ 2] = 2;
+ element[ 3] = 3;
+ }
+ vao.Unbind();
+}
+
+AlphaSprite::~AlphaSprite() {
+}
+
+void AlphaSprite::Activate() noexcept {
+ prog.Use();
+ glEnable(GL_DEPTH_TEST);
+ glDepthFunc(GL_LESS);
+ glEnable(GL_CULL_FACE);
+ glEnable(GL_BLEND);
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+}
+
+void AlphaSprite::SetM(const glm::mat4 &mm) noexcept {
+ m = mm;
+ mv = v * m;
+ mvp = p * mv;
+ prog.Uniform(m_handle, m);
+ prog.Uniform(mv_handle, mv);
+ prog.Uniform(mvp_handle, mvp);
+}
+
+void AlphaSprite::SetVP(const glm::mat4 &vv, const glm::mat4 &pp) noexcept {
+ v = vv;
+ p = pp;
+ mv = v * m;
+ mvp = p * mv;
+ prog.Uniform(mv_handle, mv);
+ prog.Uniform(mvp_handle, mvp);
+}
+
+void AlphaSprite::SetMVP(const glm::mat4 &mm, const glm::mat4 &vv, const glm::mat4 &pp) noexcept {
+ m = mm;
+ v = vv;
+ p = pp;
+ mv = v * m;
+ mvp = p * mv;
+ prog.Uniform(m_handle, m);
+ prog.Uniform(mv_handle, mv);
+ prog.Uniform(mvp_handle, mvp);
+}
+
+void AlphaSprite::SetTexture(Texture &tex) noexcept {
+ glActiveTexture(GL_TEXTURE0);
+ tex.Bind();
+ prog.Uniform(sampler_handle, GLint(0));
+}
+
+void AlphaSprite::SetFgColor(const glm::vec4 &color) noexcept {
+ prog.Uniform(fg_color_handle, color);
+}
+
+void AlphaSprite::SetBgColor(const glm::vec4 &color) noexcept {
+ prog.Uniform(bg_color_handle, color);
+}
+
+void AlphaSprite::DrawRect() const noexcept {
+ vao.Bind();
+ vao.DrawTriangleStrip(4);
+}
+
}
}
projects / blobs.git / blobdiff