waistcoat boob

resources/client/shaders/font/font.frag

@@ -0,0 +1,19 @@
+#version 330 core
+in vec2 texCoords;
+out vec4 fragColor;
+
+uniform vec4 fontColor;
+uniform sampler2D fontBitmap;
+
+void main() {
+    vec4 outColor = texture(fontBitmap, texCoords);
+    if(outColor.xyz == vec3(0.0, 0.0, 0.0))
+        discard;
+
+    fragColor = vec4(
+        fontColor.x * outColor.x,
+        fontColor.y * outColor.y,
+        fontColor.z * outColor.z,
+        1.0
+    );
+}

resources/client/shaders/font/font.vert

@@ -0,0 +1,13 @@
+#version 330 core
+layout (location = 0) in vec4 aScreenCoords;
+layout (location = 1) in vec2 aTexCoords;
+
+out vec2 texCoords;
+
+uniform mat4 transMatrix;
+uniform mat4 orthoMatrix;
+
+void main() {
+    gl_Position = orthoMatrix * aScreenCoords;
+    texCoords = aTexCoords;
+}

resources/client/shaders/test.frag

@@ -1,9 +1,9 @@
 #version 330 core
 in vec2 texCoords;
-uniform sampler2D graphicSampler;
-
 out vec4 fragColor;
 
+uniform sampler2D fontBitmap;
+
 void main() {
-    fragColor = texture(graphicSampler, texCoords);
+    fragColor = texture(fontBitmap, texCoords);
 }

src/client/main.cpp

@@ -4,6 +4,7 @@
 #define GL3_PROTOTYPES 1
 #include <GL/glew.h>
 
+#include "ui/font.hpp"
 #include "shaders/test.hpp"
 
 void setColor(float r, float g, float b, SDL_Window* window) {
@@ -44,15 +45,18 @@ int main(int argc, char* argv[]) {
 
     SDL_GL_SetSwapInterval(1);
 
-    shdr::TestShader test;
-    test.Load();
-    test.UpdateWindow(window);
-
 #ifndef __APPLE__
     glewExperimental = GL_TRUE;
     glewInit();
 #endif
 
+    ui::font_init_subsystem(window);
+    ui::Font scapeFont(
+        SOSC_RESC("fonts/scape.bmp"),
+        SOSC_RESC("fonts/scape.dat")
+    );
+    ui::font_set_default(&scapeFont);
+
     bool running = true;
     while(running) {
         glClear(GL_COLOR_BUFFER_BIT);
@@ -70,7 +74,7 @@ int main(int argc, char* argv[]) {
                event.window.event == SDL_WINDOWEVENT_SIZE_CHANGED)
             {
                 glViewport(0, 0, event.window.data1, event.window.data2);
-                test.UpdateWindow(window);
+                ui::font_window_changed(window);
             }
 
             if(event.type == SDL_KEYDOWN) {
@@ -85,8 +89,7 @@ int main(int argc, char* argv[]) {
         }
     }
 
-    test.Unload();
-
+    ui::font_deinit_subsystem();
     SDL_GL_DeleteContext(ctx);
     SDL_DestroyWindow(window);
 

src/client/ui/font.cpp

@@ -0,0 +1,267 @@
+#include "font.hpp"
+
+#define LILEND_UNPACK(X,N) \
+     (((uint32_t)(X)[N])              | \
+    ((((uint32_t)(X)[(N)+1])) << 8u)  | \
+    ((((uint32_t)(X)[(N)+2])) << 16u) | \
+    ((((uint32_t)(X)[(N)+3])) << 24u))
+
+// FONT SHADER CLASS //
+
+namespace sosc {
+namespace ui {
+static class FontShader : public sosc::shdr::Shader {
+public:
+    enum Uniforms {
+        ORTHO_MATRIX = 0,
+        TRANSLATION_MATRIX,
+        FONT_BITMAP,
+        FONT_COLOR
+    };
+
+    void UpdateWindow(SDL_Window *window) {
+        this->Start();
+
+        int width, height;
+        SDL_GetWindowSize(window, &width, &height);
+        glm::mat4 orthoMatrix = glm::ortho(0, width, height, 0);
+        glUniformMatrix4fv(
+            (*this)[ORTHO_MATRIX], 1, GL_FALSE, glm::value_ptr(orthoMatrix)
+        );
+
+        this->Stop();
+    }
+
+protected:
+    void PrepareLoad() override {
+        this->AttachSource(
+            SOSC_RESC("shaders/font/font.vert"), GL_VERTEX_SHADER
+        );
+        this->AttachSource(
+            SOSC_RESC("shaders/font/font.frag"), GL_FRAGMENT_SHADER
+        );
+
+        this->LinkProgram();
+        this->LoadUniforms({
+            "orthoMatrix",
+            "transMatrix"
+            "fontBitmap",
+            "fontColor"
+        });
+    }
+};
+}}
+
+// STATE STRUCT //
+
+static struct {
+    sosc::ui::FontShader shader;
+    sosc::ui::Font* default_font;
+} _font_ctx;
+
+// SUBSYSTEM FUNCS //
+
+bool sosc::ui::font_init_subsystem(SDL_Window* window) {
+    _font_ctx.shader.Load();
+    _font_ctx.shader.UpdateWindow(window);
+    _font_ctx.default_font = nullptr;
+}
+
+void sosc::ui::font_set_default(Font *font) {
+    _font_ctx.default_font = font;
+}
+
+void sosc::ui::font_window_changed(SDL_Window* window) {
+    _font_ctx.shader.UpdateWindow(window);
+}
+
+void sosc::ui::font_deinit_subsystem() {
+    _font_ctx.shader.Unload();
+}
+
+// FONT CLASS //
+
+sosc::ui::Font::Font
+    (const std::string& bitmapPath, const std::string& dataPath)
+{
+    if(!this->Load(bitmapPath, dataPath))
+        throw new FontException(bitmapPath, dataPath);
+}
+
+bool sosc::ui::Font::Load
+    (const std::string& filePath, const std::string& dataPath)
+{
+    if(this->loaded)
+        this->Unload();
+
+    SDL_RWops* rwop = SDL_RWFromFile(filePath.c_str(), "rb");
+    this->image = SDL_LoadBMP_RW(rwop, 1);
+    if(!this->image)
+        return false;
+
+    char buffer[0x111];
+    std::ifstream dataFile(dataPath, std::ios::in | std::ios::binary);
+    if(!dataFile.is_open())
+        return false;
+    dataFile.read(buffer, 0x111);
+    dataFile.close();
+    std::string data(buffer, 0x111);
+    if(buffer[0x10] != 0)
+        return false;
+
+    this->width = (uint32_t)this->image->w;
+    this->height = (uint32_t)this->image->h;
+
+    this->cell_width = LILEND_UNPACK(buffer, 0x08);
+    this->cell_width = LILEND_UNPACK(buffer, 0x0C);
+
+    for(int i = 0; i < 256; ++i) {
+        auto glyph = &this->glyphs[i];
+        auto width = (uint8_t)buffer[0x11 + i];
+
+        glyph->width = (double)width / (double)this->cell_width;
+
+        int x = (this->cell_width * i) % this->width;
+        int y = ((this->cell_width * i) / this->width) * this->cell_height;
+
+        glyph->top_left = glm::vec2(
+            (double)x / (double)this->width,
+            1 - (double)y / (double)this->height
+        );
+        glyph->top_right = glm::vec2(
+            (double)(x + width) / (double)this->width,
+            1 - (double)y / (double)this->height
+        );
+        glyph->bottom_left = glm::vec2(
+            (double)x / (double)this->width,
+            1 - (double)(y + this->cell_height) / (double)this->height
+        );
+        glyph->bottom_right = glm::vec2(
+            (double)(x + width) / (double)this->width,
+            1 - (double)(y + this->cell_height) / (double)this->height
+        );
+    }
+
+    glGenTextures(1, &this->texture);
+    glBindTexture(GL_TEXTURE_2D, this->texture);
+    glTexImage2D(
+        GL_TEXTURE_2D, 0, GL_RGBA,
+        this->width, this->height, 0,
+        (this->image->format->BytesPerPixel == 4 ? GL_RGBA : GL_RGB),
+        GL_UNSIGNED_BYTE, this->image->pixels
+    );
+    glBindTexture(GL_TEXTURE_2D, 0);
+
+    this->loaded = true;
+}
+
+void sosc::ui::Font::BindBitmap() {
+    if(!this->loaded)
+        return;
+
+    glBindTexture(GL_TEXTURE_2D, this->texture);
+}
+
+void sosc::ui::Font::UnbindBitmap() {
+    if(!this->loaded)
+        return;
+
+    glBindTexture(GL_TEXTURE_2D, 0);
+}
+
+void sosc::ui::Font::Unload() {
+    glDeleteTextures(1, &this->texture);
+    SDL_FreeSurface(this->image);
+
+    this->loaded = false;
+}
+
+// TEXT CLASS //
+
+sosc::ui::Text::Text() {
+    this->font = _font_ctx.default_font;
+    this->font_size = 0;
+
+    glGenVertexArrays(1, &this->vao);
+    glBindVertexArray(this->vao);
+    glGenBuffers(2, this->vbos);
+    glBindVertexArray(0);
+}
+
+sosc::ui::Text::Text(sosc::ui::Font *font, uint32_t size) : Text() {
+    this->font = font;
+    this->font_size = size;
+}
+
+sosc::ui::Text::Text(uint32_t size, const std::string &text,
+    uint32_t x, uint32_t y, uint32_t w) : Text()
+{
+    this->Set(size, text, x, y, w);
+}
+
+sosc::ui::Text::Text(sosc::ui::Font *font, uint32_t size,
+    const std::string &text, uint32_t x, uint32_t y, uint32_t w) : Text()
+{
+    this->font = font;
+    this->Set(size, text, x, y, w);
+}
+
+void sosc::ui::Text::Set
+    (uint32_t size, const std::string &text, uint32_t x, uint32_t y, uint32_t w)
+{
+    this->font_size = size;
+    this->text = text;
+    if(w != 0)
+        this->wrap_width = w;
+    this->trans_matrix = glm::translate(glm::mat4(1.f), glm::vec3(x, y, 0.f));
+    this->Redraw();
+}
+
+void sosc::ui::Text::SetFont(Font *font, uint32_t size) {
+    this->font = font;
+    if(size != 0)
+        this->font_size = size;
+    this->Redraw();
+}
+
+void sosc::ui::Text::SetFontSize(uint32_t size) {
+    this->font_size = size;
+    this->Redraw();
+}
+
+void sosc::ui::Text::SetText(const std::string &text) {
+    this->text = text;
+    this->Redraw();
+}
+
+void sosc::ui::Text::SetPosition(uint32_t x, uint32_t y) {
+    this->trans_matrix = glm::translate(glm::mat4(1.f), glm::vec3(x, y, 0.f));
+}
+
+void sosc::ui::Text::SetWrapWidth(uint32_t w) {
+    this->wrap_width = w;
+    this->Redraw();
+}
+
+void sosc::ui::Text::Render() {
+    glBindVertexArray(this->vao);
+    glDrawArrays(GL_TRIANGLES, 0, this->vertex_count);
+    glBindVertexArray(0);
+}
+
+void sosc::ui::Text::Destroy() {
+    glDeleteBuffers(2, this->vbos);
+    glDeleteVertexArrays(1, &this->vao);
+}
+
+void sosc::ui::Text::Redraw() {
+    this->vertex_count = ;
+    uint32_t line_width = 0, top_x = 0, top_y = 0;
+    for(const auto c : this->text) {
+        auto glyph = (*this->font)[c];
+        uint32_t width = (uint32_t)(this->font_size * glyph.width),
+                height = this->font_size;
+
+
+    }
+}

src/client/ui/font.hpp

@@ -0,0 +1,111 @@
+#ifndef SOSC_UI_FONT_H
+#define SOSC_UI_FONT_H
+
+#include <SDL.h>
+#include <GL/glew.h>
+#include <GLM/glm.hpp>
+#include <GLM/gtc/matrix_transform.hpp>
+#include <GLM/gtc/type_ptr.hpp>
+#include <SDL_image.h>
+
+#include <string>
+#include <fstream>
+#include "utils/net.hpp"
+#include "shaders/_shader.hpp"
+
+namespace sosc {
+namespace ui {
+class Font;
+bool font_init_subsystem(SDL_Window* window);
+void font_set_default(sosc::ui::Font* font);
+void font_window_changed(SDL_Window* window);
+void font_deinit_subsystem();
+
+class FontException : public std::exception {
+public:
+    explicit FontException
+        (const std::string& bitmapPath, const std::string& dataPath)
+    {
+        std::stringstream ss;
+        ss << "Could not load bitmap file '" << bitmapPath << "' "
+           << "and/or data file '" << dataPath << "'.";
+
+        this->errorInfo = ss.str();
+    }
+
+    const std::string& what() noexcept {
+        return this->errorInfo;
+    }
+private:
+    std::string errorInfo;
+};
+
+class Font {
+public:
+    struct glyph_t {
+        double width;
+        glm::vec2
+            top_left,
+            top_right,
+            bottom_left,
+            bottom_right;
+    };
+
+    Font() : loaded(false) {}
+    Font(const std::string& bitmapPath, const std::string& dataPath);
+    bool Load(const std::string& bitmapPath, const std::string& dataPath);
+
+    inline const glyph_t& operator[] (char c) const {
+        return this->glyphs[(uint8_t)c];
+    }
+
+    void Unload();
+private:
+    void BindBitmap();
+    void UnbindBitmap();
+
+    bool loaded;
+    GLuint texture;
+    SDL_Surface* image;
+    uint32_t
+        width, height,
+        cell_width, cell_height;
+    glyph_t glyphs[256];
+
+    friend class Text;
+};
+
+class Text {
+public:
+    Text();
+    Text(Font* font, uint32_t size);
+    Text(uint32_t size, const std::string& text,
+         uint32_t x, uint32_t y, uint32_t w = 0);
+    Text(Font* font, uint32_t size, const std::string& text,
+         uint32_t x, uint32_t y, uint32_t w = 0);
+
+    void Set(uint32_t size, const std::string& text,
+             uint32_t x, uint32_t y, uint32_t w = 0);
+    void SetFont(Font* font, uint32_t size = 0);
+    void SetFontSize(uint32_t size);
+    void SetText(const std::string& text);
+    void SetPosition(uint32_t x, uint32_t y);
+    void SetWrapWidth(uint32_t w);
+
+    void Render();
+
+    void Destroy();
+private:
+    void Redraw();
+
+    Font* font;
+    uint32_t font_size,
+             wrap_width;
+    std::string text;
+    glm::mat4 trans_matrix;
+    GLsizei vertex_count;
+    GLuint vao, vbos[2];
+};
+}}
+
+#endif

src/client/ui/text.cpp

@@ -1,79 +0,0 @@
-#include "text.hpp"
-
-// FONT CLASS //
-
-bool sosc::ui::Font::Load
-    (const std::string& filePath, const std::string& dataPath)
-{
-    if(this->loaded)
-        this->Unload();
-
-    SDL_RWops* rwop = SDL_RWFromFile(filePath.c_str(), "rb");
-    this->image = SDL_LoadBMP_RW(rwop, 1);
-    if(!this->image)
-        return false;
-
-    char buffer[0x111];
-    std::ifstream dataFile(dataPath, std::ios::in | std::ios::binary);
-    if(!dataFile.is_open())
-        return false;
-    dataFile.read(buffer, 0x111);
-    dataFile.close();
-    std::string data(buffer, 0x111);
-    if(buffer[0x10] != 0)
-        return false;
-
-    this->width = (uint32_t)this->image->w;
-    this->height = (uint32_t)this->image->h;
-    this->cell_width = sosc::net::ntohv<uint32_t>(data, 0x08);
-    this->cell_height = sosc::net::ntohv<uint32_t>(data, 0x0C);
-
-    for(int i = 0; i < 256; ++i) {
-        auto glyph = &this->glyphs[i];
-        auto width = (uint8_t)buffer[0x11 + i];
-
-        glyph->width = (double)width / (double)this->cell_width;
-
-        int x = (this->cell_width * i) % this->width;
-        int y = ((this->cell_width * i) / this->width) * this->cell_height;
-
-        glyph->top_left = glm::vec2(
-            (double)x / (double)this->width,
-            1 - (double)y / (double)this->height
-        );
-        glyph->top_right = glm::vec2(
-            (double)(x + width) / (double)this->width,
-            1 - (double)y / (double)this->height
-        );
-        glyph->bottom_left = glm::vec2(
-            (double)x / (double)this->width,
-            1 - (double)(y + this->cell_height) / (double)this->height
-        );
-        glyph->bottom_right = glm::vec2(
-            (double)(x + width) / (double)this->width,
-            1 - (double)(y + this->cell_height) / (double)this->height
-        );
-    }
-
-    glGenTextures(1, &this->texture);
-    glBindTexture(GL_TEXTURE_2D, this->texture);
-    glTexImage2D(
-        GL_TEXTURE_2D, 0, GL_RGBA,
-        this->width, this->height, 0,
-        (this->image->format->BytesPerPixel == 4 ? GL_RGBA : GL_RGB),
-        GL_UNSIGNED_BYTE, this->image->pixels
-    );
-    glBindTexture(GL_TEXTURE_2D, 0);
-
-    this->loaded = true;
-}
-
-void sosc::ui::Font::Unload() {
-    glDeleteTextures(1, &this->texture);
-    SDL_FreeSurface(this->image);
-
-    this->loaded = false;
-}
-
-// TEXT CLASS //
-

src/client/ui/text.hpp

@@ -1,58 +0,0 @@
-#ifndef SOSC_UI_TEXT_H
-#define SOSC_UI_TEXT_H
-
-#include <SDL.h>
-#include <GL/glew.h>
-#include <GLM/glm.hpp>
-#include <SDL_image.h>
-
-#include <string>
-#include <fstream>
-#include "utils/net.hpp"
-
-namespace sosc {
-namespace ui {
-class Font {
-public:
-    struct glyph_t {
-        double width;
-        glm::vec2
-            top_left,
-            top_right,
-            bottom_left,
-            bottom_right;
-    };
-
-    Font() : loaded(false) {}
-    bool Load(const std::string& bitmapPath, const std::string& dataPath);
-
-    inline const glyph_t& operator[] (char c) {
-        return this->glyphs[(uint8_t)c];
-    }
-
-
-
-    void Unload();
-private:
-    bool loaded;
-    GLuint texture;
-    SDL_Surface* image;
-    uint32_t
-        width, height,
-        cell_width, cell_height;
-    glyph_t glyphs[256];
-};
-
-class Text {
-public:
-    Text(Font* font) : loaded(false) {}
-
-
-private:
-    Font* font;
-    GLuint vao, vbo[2];
-    bool loaded;
-};
-}}
-
-#endif