aperture/source/gl/fonts.c

#ifdef _arch_dreamcast
#include "GL/glkos.h"
#include "GL/glu.h"
#include "GL/glext.h"
#include "kos.h"
#else
#include "GL/gl.h"
#endif

#include "stdio.h"
#include "dirent.h"
#include "string.h"

#include "../../include/base.h"

const unsigned char font6x8_ascii[128][6] = {
    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},  // 0x00
    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},  // 0x01
    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},  // 0x02
    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},  // 0x03
    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},  // 0x04
    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},  // 0x05
    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},  // 0x06
    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},  // 0x07
    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},  // 0x08
    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},  // 0x09
    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},  // 0x0A
    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},  // 0x0B
    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},  // 0x0C
    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},  // 0x0D
    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},  // 0x0E
    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},  // 0x0F
    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},  // 0x10
    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},  // 0x11
    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},  // 0x12
    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},  // 0x13
    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},  // 0x14
    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},  // 0x15
    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},  // 0x16
    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},  // 0x17
    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},  // 0x18
    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},  // 0x19
    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},  // 0x1A
    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},  // 0x1B
    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},  // 0x1C
    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},  // 0x1D
    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},  // 0x1E
    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},  // 0x1F
    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},  // 0x20 (space)
    {0x00, 0x00, 0x00, 0x2F, 0x00, 0x00},  // 0x21 (!)
    {0x00, 0x00, 0x03, 0x00, 0x03, 0x00},  // 0x22 (")
    {0x00, 0x14, 0x3E, 0x14, 0x3E, 0x14},  // 0x23 (#)
    {0x00, 0x04, 0x2A, 0x7F, 0x2A, 0x10},  // 0x24 ($)
    {0x00, 0x26, 0x10, 0x08, 0x04, 0x32},  // 0x25 (%)
    {0x00, 0x1A, 0x25, 0x29, 0x10, 0x28},  // 0x26 (&)
    {0x00, 0x00, 0x00, 0x03, 0x00, 0x00},  // 0x27 (')
    {0x00, 0x00, 0x3E, 0x41, 0x41, 0x00},  // 0x28 (()
    {0x00, 0x00, 0x41, 0x41, 0x3E, 0x00},  // 0x29 ())
    {0x00, 0x28, 0x18, 0x0E, 0x18, 0x28},  // 0x2A (*)
    {0x00, 0x08, 0x08, 0x3E, 0x08, 0x08},  // 0x2B (+)
    {0x00, 0x00, 0x20, 0x10, 0x00, 0x00},  // 0x2C (,)
    {0x00, 0x08, 0x08, 0x08, 0x08, 0x08},  // 0x2D (-)
    {0x00, 0x00, 0x00, 0x10, 0x00, 0x00},  // 0x2E (.)
    {0x00, 0x20, 0x10, 0x08, 0x04, 0x02},  // 0x2F (/)
    {0x00, 0x00, 0x1E, 0x21, 0x21, 0x1E},  // 0x30 (0)
    {0x00, 0x00, 0x00, 0x22, 0x3F, 0x20},  // 0x31 (1)
    {0x00, 0x00, 0x22, 0x31, 0x29, 0x26},  // 0x32 (2)
    {0x00, 0x00, 0x12, 0x21, 0x25, 0x1A},  // 0x33 (3)
    {0x00, 0x00, 0x0C, 0x0A, 0x3F, 0x08},  // 0x34 (4)
    {0x00, 0x00, 0x17, 0x25, 0x25, 0x19},  // 0x35 (5)
    {0x00, 0x00, 0x1C, 0x26, 0x25, 0x18},  // 0x36 (6)
    {0x00, 0x00, 0x01, 0x39, 0x05, 0x03},  // 0x37 (7)
    {0x00, 0x00, 0x1A, 0x25, 0x25, 0x1A},  // 0x38 (8)
    {0x00, 0x00, 0x06, 0x09, 0x29, 0x1E},  // 0x39 (9)
    {0x00, 0x00, 0x00, 0x14, 0x00, 0x00},  // 0x3A (:)
    {0x00, 0x00, 0x20, 0x14, 0x00, 0x00},  // 0x3B (;)
    {0x00, 0x00, 0x08, 0x14, 0x22, 0x00},  // 0x3C (<)
    {0x00, 0x00, 0x14, 0x14, 0x14, 0x00},  // 0x3D (=)
    {0x00, 0x00, 0x22, 0x14, 0x08, 0x00},  // 0x3E (>)
    {0x00, 0x02, 0x01, 0x29, 0x06, 0x00},  // 0x3F (?)
    {0x00, 0x1E, 0x21, 0x2D, 0x2E, 0x00},  // 0x40 (@)
    {0x00, 0x30, 0x0C, 0x0B, 0x0C, 0x30},  // 0x41 (A)
    {0x00, 0x00, 0x3F, 0x25, 0x25, 0x1A},  // 0x42 (B)
    {0x00, 0x00, 0x1E, 0x21, 0x21, 0x12},  // 0x43 (C)
    {0x00, 0x00, 0x3F, 0x21, 0x21, 0x1E},  // 0x44 (D)
    {0x00, 0x00, 0x3F, 0x25, 0x25, 0x25},  // 0x45 (E)
    {0x00, 0x00, 0x3F, 0x05, 0x05, 0x05},  // 0x46 (F)
    {0x00, 0x00, 0x1E, 0x21, 0x29, 0x1A},  // 0x47 (G)
    {0x00, 0x00, 0x3F, 0x04, 0x04, 0x3F},  // 0x48 (H)
    {0x00, 0x00, 0x21, 0x3F, 0x21, 0x00},  // 0x49 (I)
    {0x00, 0x18, 0x20, 0x21, 0x1F, 0x00},  // 0x4A (J)
    {0x00, 0x00, 0x3F, 0x0C, 0x12, 0x21},  // 0x4B (K)
    {0x00, 0x00, 0x3F, 0x20, 0x20, 0x20},  // 0x4C (L)
    {0x00, 0x3F, 0x06, 0x08, 0x06, 0x3F},  // 0x4D (M)
    {0x00, 0x00, 0x3F, 0x06, 0x18, 0x3F},  // 0x4E (N)
    {0x00, 0x00, 0x1E, 0x21, 0x21, 0x1E},  // 0x4F (O)
    {0x00, 0x00, 0x3F, 0x09, 0x09, 0x06},  // 0x50 (P)
    {0x00, 0x1E, 0x21, 0x21, 0x5E, 0x00},  // 0x51 (Q)
    {0x00, 0x00, 0x3F, 0x09, 0x19, 0x26},  // 0x52 (R)
    {0x00, 0x00, 0x12, 0x25, 0x29, 0x12},  // 0x53 (S)
    {0x00, 0x01, 0x01, 0x3F, 0x01, 0x01},  // 0x54 (T)
    {0x00, 0x1F, 0x20, 0x20, 0x20, 0x1F},  // 0x55 (U)
    {0x00, 0x0F, 0x10, 0x20, 0x10, 0x0F},  // 0x56 (V)
    {0x00, 0x1F, 0x20, 0x1C, 0x20, 0x1F},  // 0x57 (W)
    {0x00, 0x21, 0x12, 0x0C, 0x12, 0x21},  // 0x58 (X)
    {0x00, 0x03, 0x04, 0x38, 0x04, 0x03},  // 0x59 (Y)
    {0x00, 0x00, 0x31, 0x29, 0x25, 0x23},  // 0x5A (Z)
    {0x00, 0x00, 0x3F, 0x21, 0x21, 0x00},  // 0x5B ([)
    {0x00, 0x02, 0x04, 0x08, 0x10, 0x20},  // 0x5C (\)
    {0x00, 0x00, 0x21, 0x21, 0x3F, 0x00},  // 0x5D (])
    {0x00, 0x04, 0x02, 0x01, 0x02, 0x04},  // 0x5E (^)
    {0x00, 0x40, 0x40, 0x40, 0x40, 0x40},  // 0x5F (_)
    {0x00, 0x00, 0x00, 0x01, 0x02, 0x00},  // 0x60 (`)
    {0x00, 0x18, 0x24, 0x24, 0x18, 0x20},  // 0x61 (a)
    {0x00, 0x00, 0x3F, 0x24, 0x24, 0x18},  // 0x62 (b)
    {0x00, 0x00, 0x18, 0x24, 0x24, 0x00},  // 0x63 (c)
    {0x00, 0x00, 0x18, 0x24, 0x24, 0x3F},  // 0x64 (d)
    {0x00, 0x00, 0x1C, 0x2A, 0x2A, 0x0C},  // 0x65 (e)
    {0x00, 0x04, 0x04, 0x3E, 0x05, 0x05},  // 0x66 (f)
    {0x00, 0x00, 0x0C, 0x52, 0x52, 0x3E},  // 0x67 (g)
    {0x00, 0x00, 0x3F, 0x04, 0x04, 0x38},  // 0x68 (h)
    {0x00, 0x00, 0x24, 0x3D, 0x20, 0x00},  // 0x69 (i)
    {0x00, 0x20, 0x40, 0x44, 0x3D, 0x00},  // 0x6A (j)
    {0x00, 0x00, 0x3F, 0x08, 0x14, 0x22},  // 0x6B (k)
    {0x00, 0x00, 0x1F, 0x20, 0x20, 0x10},  // 0x6C (l)
    {0x00, 0x3E, 0x04, 0x18, 0x04, 0x3E},  // 0x6D (m)
    {0x00, 0x00, 0x3C, 0x02, 0x02, 0x3C},  // 0x6E (n)
    {0x00, 0x00, 0x1C, 0x22, 0x22, 0x1C},  // 0x6F (o)
    {0x00, 0x00, 0x7E, 0x12, 0x12, 0x0C},  // 0x70 (p)
    {0x00, 0x00, 0x0C, 0x12, 0x12, 0x7E},  // 0x71 (q)
    {0x00, 0x00, 0x04, 0x38, 0x04, 0x04},  // 0x72 (r)
    {0x00, 0x00, 0x04, 0x2A, 0x2A, 0x10},  // 0x73 (s)
    {0x00, 0x00, 0x04, 0x1E, 0x24, 0x10},  // 0x74 (t)
    {0x00, 0x1C, 0x20, 0x20, 0x20, 0x1C},  // 0x75 (u)
    {0x00, 0x0C, 0x10, 0x20, 0x10, 0x0C},  // 0x76 (v)
    {0x00, 0x1C, 0x20, 0x18, 0x20, 0x1C},  // 0x77 (w)
    {0x00, 0x22, 0x14, 0x08, 0x14, 0x22},  // 0x78 (x)
    {0x00, 0x04, 0x48, 0x30, 0x08, 0x04},  // 0x79 (y)
    {0x00, 0x00, 0x24, 0x34, 0x2C, 0x24},  // 0x7A (z)
    {0x00, 0x08, 0x08, 0x36, 0x41, 0x41},  // 0x7B ({)
    {0x00, 0x00, 0x00, 0x7F, 0x00, 0x00},  // 0x7C (|)
    {0x00, 0x41, 0x41, 0x36, 0x08, 0x08},  // 0x7D (})
    {0x00, 0x08, 0x04, 0x08, 0x10, 0x08},  // 0x7E (~)
    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00}   // 0x7F
};

void DrawText(const char* text, float x, float y, float scale, Color color) {
    if (!text) return;

    glPushMatrix();
    glTranslatef(x, y, 0.0f);
    glScalef(scale, scale, 1.0f);
    
    glColor4f(color.r / 255.0f, color.g / 255.0f, color.b / 255.0f, color.a / 255.0f);
    glDisable(GL_TEXTURE_2D);
    
    const float charWidth = 6.0f;
    const float charHeight = 8.0f;
    const float lineHeight = charHeight * 1.0f;
    
    float startX = 0.0f;
    float currentY = 0.0f;
    
    for (const char* c = text; *c; c++) {
        if (*c == '\n') {
            glPopMatrix();
            glPushMatrix();
            glTranslatef(x, y - currentY - lineHeight, 0.0f);
            glScalef(scale, scale, 1.0f);
            currentY -= lineHeight;
            startX = 0.0f;
            continue;
        }
        
        if (*c < 0 || *c >= 128) {
            continue;
        }
        
        const unsigned char* bitmap = font6x8_ascii[(int)*c];
        
        for (int row = 0; row < charHeight; row++) {
            for (int col = 0; col < charWidth; col++) {
                if (bitmap[col] & (1 << row)) {
                    glBegin(GL_QUADS);
                        glVertex2f(startX + col, currentY - row);
                        glVertex2f(startX + col + 1, currentY - row);
                        glVertex2f(startX + col + 1, currentY - row + 1);
                        glVertex2f(startX + col, currentY - row + 1);
                    glEnd();
                }
            }
        }
        
        startX += charWidth + 1;
    }
    
    glPopMatrix();
}

#include "../../include/textures.h"

Texture fontTextures[256];

void LoadFont(char* pathToFolder) {
    DIR *fontFolder;
    struct dirent *entry;
    printf("%s\n", "loading font");
    
    fontFolder = opendir(pathToFolder);
    if (fontFolder == NULL) {
        perror("directory cant be opened");
        return;
    }
    
    int currentSymbol = 0;
    
    while ((entry = readdir(fontFolder)) != NULL) {
        if (strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..") == 0) {
            continue;
        }
        
        char fullPath[512];
        
        strcpy(fullPath, pathToFolder);
        
        if (fullPath[strlen(fullPath)-1] != '/') {
            strcat(fullPath, "/");
        }
        strcat(fullPath, entry->d_name);
        
        printf("%s\n", fullPath);
        fontTextures[currentSymbol] = LoadTexture(fullPath);
        currentSymbol++;
    }
    
    closedir(fontFolder);
    return;
}

void DrawTextWithFont(unsigned char* text, int x, int y, float fontSize, Color color) {
    unsigned int currentSymbol = 0;
    unsigned int currentX = x;
    while (text[currentSymbol] != '\0') {
        DrawTexture(fontTextures[text[currentSymbol]], currentX, y, fontSize, color);
        currentX = currentX + fontTextures[text[currentSymbol]].width*fontSize;
        currentSymbol++;
    }
}

void UnloadFont() {
    int currentTexture = 0;
    while (currentTexture < 256) {
        UnloadTexture(fontTextures[currentTexture]);
        currentTexture++;
    }
}