honey

very old unfinished project. tracking so i dont lose it
git clone git://moonbender.net/honey
Log | Files | Refs | README

commit bc796215763704ee9fbcd57d7564a1d4187f5091
Author: calliope <me@calliope.sh>
Date:   Wed, 17 Sep 2025 02:29:40 -0500

tracking this so i dont lose it

Diffstat:
A.gitignore | 4++++
AREADME | 1+
Acheckerboard.c | 1006+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Aconcepts/sarah.gif | 0
Aconcepts/shooty.gif | 0
Adata/sprites/src/another2test.png | 0
Adata/sprites/src/box.png | 0
Adata/sprites/src/bullet.png | 0
Adata/sprites/src/honey1.png | 0
Adata/sprites/src/honeyrun1.png | 0
Adata/sprites/src/honeysheet1.png | 0
Adata/sprites/src/honeysheet3.png | 0
Adata/sprites/src/sarahph.png | 0
Adata/sprites/src/sarahred.png | 0
Adata/tilesets/green_and_red.png | 0
Asrc/Makefile | 24++++++++++++++++++++++++
Asrc/common.h | 25+++++++++++++++++++++++++
Asrc/frontend.c | 145+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Asrc/honey.c | 47+++++++++++++++++++++++++++++++++++++++++++++++
Asrc/palettes.c | 20++++++++++++++++++++
Asrc/render.c | 206+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Asrc/spdata.c | 55+++++++++++++++++++++++++++++++++++++++++++++++++++++++
Asrc/testbox.c | 1007+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Asrc/xdraw.c | 283+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Asrc/xdraw.h | 8++++++++
Atools/honeypal.gpl | 19+++++++++++++++++++
Atools/honeyrun1.ppm | 0
Atools/ppmtoc | 0
Atools/ppmtoc.c | 300+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
29 files changed, 3150 insertions(+), 0 deletions(-)

diff --git a/.gitignore b/.gitignore @@ -0,0 +1,4 @@ +*.o +*.swp +compile.log +honey diff --git a/README b/README @@ -0,0 +1 @@ +unfinished top down game. this project is old as hell. surprised if it builds diff --git a/checkerboard.c b/checkerboard.c @@ -0,0 +1,1006 @@ +#include <stdint.h> +const uint32_t spritewidth = 100; +const uint32_t spriteheight = 100; +const uint8_t spritedata[10000] = +{ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 0, 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4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 +}; diff --git a/concepts/sarah.gif b/concepts/sarah.gif Binary files differ. diff --git a/concepts/shooty.gif b/concepts/shooty.gif Binary files differ. diff --git a/data/sprites/src/another2test.png b/data/sprites/src/another2test.png Binary files differ. diff --git a/data/sprites/src/box.png b/data/sprites/src/box.png Binary files differ. diff --git a/data/sprites/src/bullet.png b/data/sprites/src/bullet.png Binary files differ. diff --git a/data/sprites/src/honey1.png b/data/sprites/src/honey1.png Binary files differ. diff --git a/data/sprites/src/honeyrun1.png b/data/sprites/src/honeyrun1.png Binary files differ. diff --git a/data/sprites/src/honeysheet1.png b/data/sprites/src/honeysheet1.png Binary files differ. diff --git a/data/sprites/src/honeysheet3.png b/data/sprites/src/honeysheet3.png Binary files differ. diff --git a/data/sprites/src/sarahph.png b/data/sprites/src/sarahph.png Binary files differ. diff --git a/data/sprites/src/sarahred.png b/data/sprites/src/sarahred.png Binary files differ. diff --git a/data/tilesets/green_and_red.png b/data/tilesets/green_and_red.png Binary files differ. diff --git a/src/Makefile b/src/Makefile @@ -0,0 +1,24 @@ +CC = gcc +OBJ = honey.o frontend.o render.o spdata.o palettes.o +CFLAGS = -Wall -Wextra `sdl2-config --cflags` -std=c99 +LFLAGS = -lm `sdl2-config --libs` + +honey: $(OBJ) + $(CC) -o $@ $(OBJ) $(LFLAGS) + +honey.o: honey.c common.h + $(CC) $(CFLAGS) -c $< + +frontend.o: frontend.c common.h + +render.o: render.c common.h + $(CC) $(CFLAGS) -c $< + +spdata.o: spdata.c + $(CC) $(CFLAGS) -c $< + +palettes.o: palettes.c + $(CC) $(CFLAGS) -c $< + +clean: + rm -f $(OBJ) diff --git a/src/common.h b/src/common.h @@ -0,0 +1,25 @@ +//rendering resolution, not the actual window size +#define XREZ 200 +#define YREZ 200 + +//main functions +void HoneyMain(); +void HoneyInit(); + +//input functions +void Mouse1Pressed(); +void Mouse2Pressed(); +void UpdateCursor(uint32_t x, uint32_t y); + +//render functions +void InitRender(); +void DrawFrame(); +uint8_t* GetPixBuf(); +uint32_t* GetPalette(); + +enum +{ + F_HONEY = 0, + F_HONEY_RUN_1 = 1, + F_TOTAL +}; diff --git a/src/frontend.c b/src/frontend.c @@ -0,0 +1,145 @@ +#include <stdint.h> +#include <stdlib.h> + +#include <SDL.h> +#include "common.h" + +uint16_t WWidth = 300; +uint16_t WHeight = 300; + +SDL_Renderer* Renderer; +SDL_Window* Window; +SDL_Surface* MainSurface; + +SDL_Color GamePalette[16]; + +uint32_t Running; + +void InitSDL() +{ + + SDL_Init(SDL_INIT_VIDEO); + Window = SDL_CreateWindow( "Honey", + SDL_WINDOWPOS_UNDEFINED, + SDL_WINDOWPOS_UNDEFINED, + WWidth, WHeight, 0 ); + SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "linear"); + + Renderer = SDL_CreateRenderer( Window, -1, + SDL_RENDERER_ACCELERATED ); +} + +void InitScreen() +{ + uint8_t* pixeldata = GetPixBuf(); //function in render.c + uint32_t* palettedata = GetPalette(); + + MainSurface = SDL_CreateRGBSurfaceWithFormatFrom( pixeldata, + XREZ, + YREZ, + 8, + XREZ, + SDL_PIXELFORMAT_INDEX8 ); + for (int i = 0; i < 16; ++i) + { + uint32_t col = *(palettedata + i); + uint32_t blue = (col & 0xff) * 257; + uint32_t green = ((col >> 8) & 0xff) * 257; + uint32_t red = ((col >> 16) & 0xff) * 257; + + GamePalette[i].r = red; + GamePalette[i].g = green; + GamePalette[i].b = blue; + } + + SDL_SetPaletteColors( MainSurface->format->palette, + GamePalette, + 0, + 16 ); +} + +void HandleInput() +{ + SDL_Event event; + + while (SDL_PollEvent(&event)) + { + if (event.type == SDL_QUIT) + { + Running = 0; + } + } + + //get mouse coordinates relative to top left of window + int mx, my; + uint32_t rx, ry; + uint32_t mbuttons; + mbuttons = SDL_GetMouseState(&mx, &my); + + if ((mbuttons & SDL_BUTTON_LMASK) != 0) + { + Mouse1Pressed(); + } + + if ((mbuttons & SDL_BUTTON_RMASK) != 0) + { + Mouse2Pressed(); + } + + //convert to resolution coordinates + rx = (uint32_t)(mx * XREZ / WWidth); + ry = (uint32_t)(my * YREZ / WHeight); + + UpdateCursor(rx, ry); +} + +void PrepareScreen() +{ + SDL_SetRenderDrawColor(Renderer, 96, 128, 255, 255); + SDL_RenderClear(Renderer); +} + + +void PresentScreen() +{ + SDL_Texture* buftex; + + + buftex = SDL_CreateTextureFromSurface( Renderer, + MainSurface ); + SDL_RenderCopy( Renderer, buftex, + NULL, NULL); + SDL_DestroyTexture(buftex); + SDL_RenderPresent(Renderer); +} + +void Cleanup() +{ + SDL_FreeSurface(MainSurface); + SDL_Quit(); +} + + +int main() +{ + Running = 1; + + InitSDL(); + InitScreen(); + + HoneyInit(); + + while (Running == 1) + { + PrepareScreen(); + HandleInput(); + + HoneyMain(); + + PresentScreen(); + SDL_Delay(16); + } + + Cleanup(); + return 0; +} diff --git a/src/honey.c b/src/honey.c @@ -0,0 +1,47 @@ +#include <math.h> +#include <stdint.h> +#include <stdlib.h> + +#include "common.h" + +uint8_t running = 1; +extern uint8_t WindowResize; +//extern uint16_t WWidth, WHeight; +extern uint8_t PixBuffer[]; +uint32_t CurX, CurY; + +// Actor Data +uint32_t ActX, ActY; +double ActAngle; + +float pi = 3.14159; + +//input functions +void UpdateCursor(uint32_t x, uint32_t y) +{ + CurX = x; + CurY = y; +} + +void Mouse2Pressed() +{ + +} + +void Mouse1Pressed() +{ +} + +void HoneyInit() +{ + InitRender(); + ActAngle = 0; + CurX = CurY = 0; +} + +void HoneyMain () +{ + ActAngle = -(pi / 2) + atan2( (double)(CurY - (double)(YREZ / 2)), + (double)(CurX - (double)(XREZ / 2)) ); + DrawFrame(F_HONEY, ActAngle); +} diff --git a/src/palettes.c b/src/palettes.c @@ -0,0 +1,20 @@ +#include <stdint.h> +uint32_t Palette[16] = +{ + 0xFF00FF, //first index is always transparent + 0x3f0000, //blood1 + 0x660000, //blood2 + 0x900a09, //blood3 + 0xffffff, //honeyfur + 0xf9efed, //fur shade + 0xd3aeaa, //fur outline + 0xc3a19d, //fur dark + 0x631200, //honeyfeet + 0x281212, //honey eyes + 0, + 0, + 0, + 0, + 0, + 0 +}; diff --git a/src/render.c b/src/render.c @@ -0,0 +1,206 @@ +#include <math.h> + +#include "xdraw.h" +#include "common.h" +#define PI 3.141592654 + +//Our rendered pixel layout, to be processed by the front end +uint8_t PixBuffer[XREZ * YREZ]; + +extern uint32_t Palette[16]; + +extern uint8_t spritedata[504]; +extern uint8_t frame_honey_run_1[1444]; + +typedef struct +{ + uint8_t width, height; + uint8_t *pixels; +} frame; + +//TODO: Need to initialize these in a way that uses the enum +frame Frames[F_TOTAL] = { + {28, 18, spritedata}, + {28, 18, spritedata}, +}; + +uint32_t camX, camY, camZ; + +typedef struct +{ + double x, y; +} vec2; + +typedef struct +{ + //relative to actor origin + vec2 loc; + uint32_t u, v; +} vert; + +uint32_t *GetPalette() +{ + return Palette; +} + +uint8_t *GetPixBuf() +{ + return PixBuffer; +} + +void InitRender() +{ + camZ = 1; +} + +void ClearScreen() +{ + for (int i = 0; i < XREZ * YREZ; i++) + { + PixBuffer[i] = 1; + } +} + +void PlotPix(int x, int y, uint8_t color) +{ + PixBuffer[XREZ * y + x] = color; +} + +//cross product +float EdgeFunc( vec2 v1, vec2 v2, vec2 v3) +{ + return (v3.x - v1.x) * + (v2.y - v1.y) - + (v3.y - v1.y) * + (v2.x - v1.x); +} + +uint8_t GetColor(uint32_t sp_in, uint32_t u, uint32_t v) +{ + uint8_t *sppixels = Frames[sp_in].pixels; + uint32_t spritewidth = Frames[sp_in].width; + return *(sppixels + ( v * spritewidth + u)); +} + +void DrawTri ( uint32_t sp_in, + vert p1, + vert p2, + vert p3 ) +{ + for (int y = 0; y < YREZ; ++y) + { + for (int x = 0; x < XREZ; ++x) + { + int u, v; + vec2 point; + point.x = x; + point.y = y; + float area = EdgeFunc(p1.loc, p2.loc, p3.loc); + float w1 = EdgeFunc(p2.loc, p3.loc, point); + float w2 = EdgeFunc(p3.loc, p1.loc, point); + float w3 = EdgeFunc(p1.loc, p2.loc, point); + if (w1 >= 0 && w2 >= 0 && w3 >= 0) + { + // barycentric coordinates + w1 /= area; + w2 /= area; + w3 /= area; + //calculate UV data from them + u = w1 * p1.u + w2 * p2.u + w3 * p3.u; + v = w1 * p1.v + w2 * p2.v + w3 * p3.v; + uint8_t color = GetColor(sp_in, u, v); + if (color) //0 is transparency + { + PlotPix(x, y, GetColor(sp_in, u, v)); + } + } + } + } + +} + +vec2 RotateVec(vec2 in, double angle) +{ + vec2 out; + out.x = cos(angle) * in.x - sin(angle) * in.y; + out.y = sin(angle) * in.x + cos(angle) * in.y; + return out; +} + +void DrawSprite( uint32_t sp_in, + double posx, + double posy, + double angle, + uint8_t distance ) +{ + uint8_t spritewidth = Frames[sp_in].width; + uint8_t spriteheight = Frames[sp_in].height; + + vert p1, p2, p3; + p1.loc.x = -(float)(spritewidth / 2) / distance; + p1.loc.y = -(float)(spriteheight / 2) / distance; + + p2.loc.x = -(float)(spritewidth / 2) / distance; + p2.loc.y = (float)(spriteheight / 2) / distance; + + p3.loc.x = (float)(spritewidth / 2) / distance; + p3.loc.y = -(float)(spriteheight / 2) / distance; + + //WINDING ORDER IS IMPORTANT! + //Tris must be wound counter-clackwise + p1.u = 0; + p1.v = 0; + + p2.u = 0; + p2.v = spriteheight; + + p3.u = spritewidth; + p3.v = 0; + + vert z1, z2, z3; + z1.loc.x = (float)(spritewidth / 2) / distance; + z1.loc.y = (float)(spriteheight / 2) / distance; + z2.loc.x = (float)(spritewidth / 2) / distance; + z2.loc.y = -(float)(spriteheight / 2) / distance; + z3.loc.x = -(float)(spritewidth / 2) / distance; + z3.loc.y = (float)(spriteheight / 2) / distance; + + z1.u = spritewidth; + z1.v = spriteheight; + + z2.u = spritewidth; + z2.v = 0; + + z3.u = 0; + z3.v = spriteheight; + + p1.loc = RotateVec(p1.loc, angle); + p2.loc = RotateVec(p2.loc, angle); + p3.loc = RotateVec(p3.loc, angle); + z1.loc = RotateVec(z1.loc, angle); + z2.loc = RotateVec(z2.loc, angle); + z3.loc = RotateVec(z3.loc, angle); + + p1.loc.x += posx; + p1.loc.y += posy; + p2.loc.x += posx; + p2.loc.y += posy; + p3.loc.x += posx; + p3.loc.y += posy; + + z1.loc.x += posx; + z1.loc.y += posy; + z2.loc.x += posx; + z2.loc.y += posy; + z3.loc.x += posx; + z3.loc.y += posy; + + DrawTri(sp_in, z1, z2, z3); + DrawTri(sp_in, p1, p2, p3); +} + +void DrawFrame(uint32_t frameno, double angle) +{ + ClearScreen(); + DrawSprite(frameno, XREZ / 2, YREZ / 2, angle, camZ); +} diff --git a/src/spdata.c b/src/spdata.c @@ -0,0 +1,55 @@ +#include <stdint.h> +const uint8_t spritedata[504] = +{ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 4, 5, 5, 4, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 4, 4, + 4, 4, 4, 4, 4, 4, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 6, 6, 6, 5, 5, 4, 4, 4, + 4, 4, 4, 5, 5, 6, 6, 6, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 6, 6, 6, + 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 6, 6, 6, 6, 0, + 0, 0, 0, 0, 0, 6, 4, 4, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 4, 4, 6, 0, 0, 0, + 0, 0, 6, 4, 4, 5, 5, 6, 5, 5, + 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, + 6, 5, 5, 4, 4, 6, 0, 0, 0, 6, + 4, 4, 6, 6, 6, 6, 5, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 5, 6, 6, + 6, 6, 4, 4, 6, 0, 6, 6, 6, 6, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, + 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, + 6, 6, 6, 4, 4, 4, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 4, 4, 4, 6, + 6, 4, 5, 5, 5, 5, 6, 6, 6, 5, + 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, + 6, 6, 5, 5, 5, 5, 4, 6, 6, 5, + 5, 5, 6, 6, 6, 0, 6, 6, 5, 5, + 5, 5, 5, 5, 5, 5, 6, 6, 0, 6, + 6, 6, 5, 5, 5, 6, 0, 6, 5, 5, + 5, 6, 6, 6, 0, 6, 9, 5, 4, 4, + 4, 4, 5, 9, 6, 0, 6, 6, 6, 5, + 5, 5, 6, 0, 0, 0, 6, 6, 6, 6, + 8, 8, 0, 9, 9, 9, 5, 4, 4, 5, + 9, 9, 9, 0, 8, 8, 6, 6, 6, 6, + 0, 0, 0, 0, 0, 0, 6, 6, 8, 8, + 8, 9, 9, 9, 9, 4, 4, 9, 9, 9, + 9, 8, 8, 8, 6, 6, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 8, 8, 8, 0, 9, + 9, 9, 9, 4, 4, 9, 9, 9, 9, 0, + 8, 8, 8, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, + 9, 4, 4, 9, 9, 9, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, + 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0 +}; diff --git a/src/testbox.c b/src/testbox.c @@ -0,0 +1,1007 @@ +#include <stdint.h> +const uint32_t spritewidth = 100; +const uint32_t spriteheight = 100; +const uint8_t spritedata[10000] = +{ + 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, + 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 5, 5, 9, + 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 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6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, + 6, 5, 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, + 6, 5, 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, + 6, 5, 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, + 6, 5, 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, 9, 9 + +}; diff --git a/src/xdraw.c b/src/xdraw.c @@ -0,0 +1,283 @@ +#include <math.h> +#include <stdio.h> + +#include <sys/ipc.h> +#include <sys/shm.h> + +#include <xcb/xcb.h> +#include <xcb/shm.h> +#include <xcb/xcb_image.h> + +#include "xdraw.h" +#include "common.h" + +extern uint8_t running; + +//window vars +uint8_t WindowResize = 0; +uint16_t WWidth = XREZ; +uint16_t WHeight = YREZ; +uint16_t RWidth = XREZ; +uint16_t RHeight = YREZ; + +//xcb vars +xcb_connection_t *c; +xcb_screen_t *screen; +xcb_drawable_t win; +xcb_gcontext_t gc; +xcb_colormap_t colormap; + +//shm vars +xcb_shm_segment_info_t shinfo; +uint32_t* bb; +xcb_pixmap_t bbpix; + + +//the color palette buffer +xcb_alloc_color_reply_t *colors[256]; + +//for detecting when the window's closed +xcb_intern_atom_reply_t *delete_reply; + +void InitWindow() +{ + if (!XREZ || !YREZ) + { + running = 0; + } + + c = xcb_connect (NULL, NULL); + + screen = xcb_setup_roots_iterator(xcb_get_setup(c)).data; + + //create window + win = xcb_generate_id(c); + uint32_t mask = XCB_CW_BACK_PIXEL | + XCB_CW_EVENT_MASK; + uint32_t winvals[2]; + winvals[0] = screen->black_pixel; + winvals[1] = XCB_EVENT_MASK_EXPOSURE | + XCB_EVENT_MASK_KEY_PRESS | + XCB_EVENT_MASK_STRUCTURE_NOTIFY | + XCB_EVENT_MASK_POINTER_MOTION | + XCB_EVENT_MASK_BUTTON_MOTION | + XCB_EVENT_MASK_BUTTON_2_MOTION; + xcb_create_window ( c, + XCB_COPY_FROM_PARENT, + win, + screen->root, + 0, 0, + 150, 150, + 10, + XCB_WINDOW_CLASS_INPUT_OUTPUT, + screen->root_visual, + mask, winvals ); + gc = xcb_generate_id(c); + + //create graphics context + mask = XCB_GC_FOREGROUND | XCB_GC_GRAPHICS_EXPOSURES; + uint32_t gcvals[2]; + gcvals[0] = screen->white_pixel; + gcvals[1] = 0; + xcb_create_gc ( c, + gc, + win, + mask, + gcvals ); + + colormap = screen->default_colormap; + + for (int i = 0; i < 256; i++) + { + colors[i] = NULL; + } + + //set up to detect when the window is closed + xcb_intern_atom_cookie_t protocol_cookie = + xcb_intern_atom(c, 1, 12, "WM_PROTOCOLS"); + xcb_intern_atom_reply_t *protocol_reply = + xcb_intern_atom_reply(c, protocol_cookie, 0); + xcb_intern_atom_cookie_t delete_cookie = + xcb_intern_atom(c, 0, 16, "WM_DELETE_WINDOW"); + delete_reply = xcb_intern_atom_reply( c, delete_cookie, 0); + xcb_change_property ( c, + XCB_PROP_MODE_REPLACE, + win, + (*protocol_reply).atom, + 4, 32, 1, + &(*delete_reply).atom ); + free(protocol_reply); + + + xcb_map_window(c, win); + + //Shm stuff + xcb_shm_query_version_reply_t* shreply; + + shreply = xcb_shm_query_version_reply( c, + xcb_shm_query_version(c), + NULL ); + + if(!shreply || !shreply->shared_pixmaps) + { + printf("Shm error\n"); + running = 0; + } + + shinfo.shmid = shmget( IPC_PRIVATE, + 1920*1080*4, //todo: change to screen size + IPC_CREAT | 0600 ); + shinfo.shmaddr = shmat(shinfo.shmid, 0, 0); + shinfo.shmseg = xcb_generate_id(c); + xcb_shm_attach(c, shinfo.shmseg, shinfo.shmid, 0); + shmctl(shinfo.shmid, IPC_RMID, 0); + bb = (uint32_t*)shinfo.shmaddr; + + + bbpix = xcb_generate_id(c); + xcb_shm_create_pixmap ( c, bbpix, win, + 1920, 1080, + screen->root_depth, + shinfo.shmseg, 0 ); + xcb_flush(c); +} + +void LoadPalette(uint32_t *pal) +{ + for (int i = 0; i < 256; ++i) + { + if (colors[i]) + { + free(colors[i]); + } + uint32_t col = *(pal + i); + int blue = (col & 0xff) * 257; + int green = ((col >> 8) & 0xff) * 257; + int red = ((col >> 16) & 0xff) * 257; + xcb_alloc_color_cookie_t coogie = xcb_alloc_color ( c, + colormap, + red, + green, + blue ); + colors[i] = xcb_alloc_color_reply(c, coogie, NULL); + } +} + +//Update the width and height of the actual drawing area +void UpdateRScreen() +{ + //preserve aspect ratio + float ratio; + + ratio = (float)XREZ / (float)YREZ; + + if ((WWidth) > (WHeight * ratio)) + { + RHeight = WHeight; + RWidth = (uint16_t)(RHeight * ratio); + } + else + { + RWidth = WWidth; + RHeight = (uint16_t)(RWidth / ratio); + } +} + +void DrawPixel(uint16_t x, uint16_t y, uint8_t color) +{ + if (color) + { + bb[y * 1920 + x] = colors[color]->pixel; + } +} + +//Draw to the screen +void DrawBuffer(uint8_t* buf) +{ + UpdateRScreen(); + + double xratio = XREZ / (double)RWidth; + double yratio = YREZ / (double)RHeight; + double px, py; + for (int i = 0; i < RHeight; i++) + { + for (int j = 0; j < RWidth; j++) + { + uint8_t color; + px = floor(j * xratio); + py = floor(i * yratio); + color = *(buf + (uint32_t)((py * XREZ) + px)); + //draw to backbuffer + DrawPixel(j, i, color); + } + } + xcb_copy_area ( c, bbpix, win, gc, + 0, 0, 0, 0, + RWidth, RHeight ); + xcb_flush(c); +} + +void HandleEvents() +{ + xcb_generic_event_t *e; + xcb_configure_notify_event_t *confevent; + xcb_motion_notify_event_t *motionevent; + WindowResize = 0; + e = xcb_poll_for_event(c); + if (e) + { + switch(e->response_type & ~0x80) + { + //close + case XCB_CLIENT_MESSAGE: + if ((*(xcb_client_message_event_t*)e).data.data32[0] + == (*delete_reply).atom) + { + running = 0; + free(delete_reply); + } + break; + //TODO: Pause rendering while the window is resizing? + case XCB_CONFIGURE_NOTIFY: + confevent = (xcb_configure_notify_event_t*)e; + if ( ( (confevent->width > 0) && + (WWidth != confevent->width) ) || + ( (confevent->height > 0) && + (WHeight != confevent->height) ) ) + { + WindowResize = 1; + WWidth = confevent->width; + WHeight = confevent->height; + } + break; + case XCB_MOTION_NOTIFY: + motionevent = (xcb_motion_notify_event_t*)e; + uint32_t x, y; + x = (uint32_t)motionevent->event_x; + y = (uint32_t)motionevent->event_y; + UpdateCursor(x, y); + if ( motionevent->state & XCB_BUTTON_MASK_2 ) + { + Mouse2Pressed(); + } + break; + } + } + free(e); + +} + +void Cleanup() +{ + for (int i = 0; i < 256; ++i) + { + free(colors[i]); + } + xcb_shm_detach(c, shinfo.shmseg); + shmdt(shinfo.shmaddr); + + xcb_free_pixmap(c, bbpix); + + xcb_destroy_window(c, win); + xcb_disconnect(c); +} diff --git a/src/xdraw.h b/src/xdraw.h @@ -0,0 +1,8 @@ +#include <stdint.h> +#include <stdlib.h> + +void InitWindow(); +void LoadPalette(uint32_t *pal); +void HandleEvents(); +void Cleanup(); +void DrawBuffer(); diff --git a/tools/honeypal.gpl b/tools/honeypal.gpl @@ -0,0 +1,19 @@ +GIMP Palette +Name: honey +Columns: 16 +255 0 255 + 63 0 0 +102 0 0 +144 10 9 +255 255 255 +249 239 237 +211 174 170 +195 161 157 + 99 18 0 + 40 18 18 + 45 0 0 + 45 0 0 + 45 0 0 + 45 0 0 + 45 0 0 + 45 0 0 diff --git a/tools/honeyrun1.ppm b/tools/honeyrun1.ppm Binary files differ. diff --git a/tools/ppmtoc b/tools/ppmtoc Binary files differ. diff --git a/tools/ppmtoc.c b/tools/ppmtoc.c @@ -0,0 +1,300 @@ +#include <stdlib.h> +#include <stdint.h> +#include <stdio.h> +#include <unistd.h> +#include <fcntl.h> + +typedef struct +{ + uint32_t x, y; +} vec2; + +typedef struct +{ + vec2 dimensions; + uint32_t datasize, bitdepth; + uint8_t *start; +} imginfo; + +typedef struct +{ + uint32_t columns; + uint8_t *start; +} palinfo; + +vec2 ParseDimensions(uint8_t *begin, uint32_t length) +{ + vec2 ret; + ret.x = ret.y = 0; + uint8_t xd = 0; + for (uint8_t i = 0; i < length; ++i) + { + if (*(begin + i) == ' ') + { + xd = 1; + continue; + } + + if (xd) + { + ret.y = ret.y * 10; + ret.y += *(begin + i) - '0'; + } + else + { + ret.x = ret.x * 10; + ret.x += *(begin + i) - '0'; + } + } + return ret; +} + +uint32_t ParseBitDepth(uint8_t *begin, uint32_t length) +{ + uint32_t depth = 0; + for (uint32_t i = 0; i < length; ++i) + { + depth = depth * 10; + depth += *(begin + i) - '0'; + } + return depth; +} + + +/* Parse the image header + ppm files begin with the identifying string P6 + Next is the image dimensions on one line separated by a space + And finally the bit depth + We need all of this for error handling + Comments can appear at any point +*/ +imginfo ParseImgInfo(uint8_t *filedata, uint32_t size) +{ + imginfo ret; + ret.dimensions.x = 0; + ret.dimensions.y = 0; + ret.datasize = size; + uint32_t curs = 0; + + uint8_t *line_start; + uint8_t pmode; + line_start = filedata; + + //chop it up into lines and parse + while (1) + { + while (*(line_start + curs) != '\n') + { + curs++; + ret.datasize--; + } + + if (*line_start == '#') + { + line_start += (curs + 1); + curs = 0; + continue; + } + + if (pmode == 0) //first line, file identifier + { + if (!(*line_start == 'P' && *(line_start + 1) == '6')) + { + //ain't no ppm! + fprintf(stdout, "Invalid image file\n"); + exit(0); + } + pmode = 1; + } + else if (pmode == 1) //second line, dimensions + { + ret.dimensions = ParseDimensions(line_start, curs); + pmode = 2; + } + else if (pmode == 2) //third line, bit depth + { + ret.bitdepth = ParseBitDepth(line_start, curs); + if (ret.bitdepth != 255) + { + fprintf(stdout, "Can't support bitdepth other than 255\n"); + exit(0); + } + + //24 bit colors, datasize can be determined by dimensions + ret.datasize = ret.dimensions.x * ret.dimensions.y * 3; //3 bytes + ret.start = (line_start + curs + 1); + return ret; + } + else + { + break; + } + + line_start += (curs + 1); + curs = 0; + } + fprintf(stdout, "Error loading image file"); + exit(0); +} + +void ParseImgData(uint32_t* clist, imginfo finfo) +{ + uint32_t curs = 0; + for (uint32_t i = 0; i < (finfo.datasize / 3); ++i) + { + *(clist + i) = 0; + for (int i2 = 0; i2 < 3; i2++) + { + *(clist + i) |= *(finfo.start + curs) << ((2 - i2) * 8); + curs++; + } + } +} + +//TODO: write the function lol +//Just need to do this and fix the ParsePalette function +//to use the incoming info struct +/* Parse the palette header +begins with identifying string "GIMP Palette" +Next is the name of the palette ("Name: thename") +then the amount of columns ("Columns: number") +the column amount is the only real important data */ +palinfo ParsePalHeader(uint8_t *filedata) +{ + palinfo ret; + ret.columns = 0; + ret.start = filedata; + ret.datasize = 0; + return ret; +} + +//can only parse 16 column palettes for now +void ParsePalette(uint32_t *clist, uint8_t *filedata, palinfo info) +{ + uint32_t curs = 0; + for (int i = 0; i < 16; ++i) + { + *(clist + i) = 0; + uint8_t offs = 16; + uint8_t num = 0; + //parse line by line + while(1) + { + if (*(filedata + curs) == '\n') + { + *(clist + i) |= num; + break; + } + else if (*(filedata + curs) == ' ' && num) + { + *(clist + i) |= num << offs; + num = 0; + offs = 8; + } + else if (*(filedata + curs) != ' ') + { + num *= 10; + num += *(filedata + curs) - '0'; + } + curs++; + } + curs++; +// fprintf (stdout, "%x | curs: %d\n", *(clist + i), curs); + } +} + +//print the image to stdout as an indexed .c array +void OutputIndexed(uint32_t *colors, uint32_t *pixels, imginfo *finfo) +{ + fprintf(stdout, "#include <stdint.h>\n"); + fprintf(stdout, "static const uint8_t spritedata[%d] = \n{\n ", (finfo->datasize / 3)); + + for (uint32_t i = 0; i < (finfo->datasize / 3); ++i) + { + uint8_t index = 0; + for (int i2 = 0; i2 < 11; ++i2) + { + if (*(pixels + i) == *(colors + i2)) + { + index = i2; + } + } + fprintf(stdout, "%d", index); + if ( i != (finfo->datasize / 3) - 1) + { + fprintf(stdout, ", "); + } + if ( !((i + 1) % 10)) + { + fprintf(stdout, "\n "); + } + } + fprintf(stdout, "\n};\n"); +} + + +int main(int argc, char *argv[]) +{ + if (argc != 3) + { + fprintf(stdout, "Wrong number of arguments (%d).\n", argc); + fprintf(stdout, "Usage: ppmtoc image palette\n"); + return -1; + } + + char *fname_img = argv[1]; +// char *fname_pal = argv[2]; +// fprintf(stdout, "Arg 1: %s\n", (argv[1])); +// fprintf(stdout, "Arg 2: %s\n", (argv[2])); + + int img = 0; + img = open(fname_img, O_RDONLY, 700); + if (img < 0) + { + fprintf(stdout, "%s : Couldn't open file\n", fname_img); + return -1; + } + + uint8_t buffer[64000]; //this oughta be big enough!! + uint32_t pal_columns = 0; + int size; + size = read(img, &buffer, 64000); + close(img); + + //parse image header + imginfo info = ParseImgInfo(&buffer[0], size); + + fprintf(stdout, "// Width: %d\n", info.dimensions.x); + fprintf(stdout, "// Height: %d\n", info.dimensions.y); + fprintf(stdout, "// Datasize: %d\n", info.datasize); + fprintf(stdout, "// BitDepth: %d\n", info.bitdepth); + +/* + //load the image into an array of 32bit colors + uint32_t pixels[info.datasize / 3]; + ParseImgData(&pixels[0], info); + + //now open the palette file + int pal = 0; + pal = open(fname_pal, O_RDONLY, 700); + if (pal < 0) + { + fprintf(stdout, "%s : Couldn't open file\n", fname_pal); + return -1; + } + size = read(pal, &buffer, 64000); + close(pal); + + //parse palette header + palinfo pinfo = ParsePalHeader(&buffer[0]); + uint32_t colors[pinfo.columns]; + + //now parse palette file + ParsePalette(&colors[0], &buffer[0], pinfo); + + //compare the image data to the palette file and output + //an indexed image in a c array + OutputIndexed(&colors[0], &pixels[0], &info); +*/ + +}