CC17: Calcnerd
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I don't know what I did, but when I run the program, the screen goes black and displays a bunch of pixels in the top left corner that doesn't resemble anything.
I think its the .h file, the train_data_compressed variable.

Code:
#ifndef sprite_train_H
#define sprite_train_H
#include <stdint.h>

extern uint8_t train_data_compressed[534];
#define train ((gfx_image_t*)train_data_compressed)
extern uint16_t sprite_train_pal[256];

#endif
No nothing is wrong with that. It's probably something in your code. Post that.
Thinking about math....or C++
It might be something with the gfx_SetPalette. Otherwise, its probably in some other part of the program.
main.c

Code:
/* Keep these headers */
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <tice.h>
/* Standard headers - it's recommended to leave them included */
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <lib/ce/graphx.h>


#include "sprite_train.h"

void train_jump(void);
void drawtrain_on(void);
void drawtrain_off(void);
void draw_tracks(void);
void drawobst(void);





int train_y=0, x=0, a=0, track[10], key;
bool death=0, quit=0;


void main(void){
    gfx_Begin(gfx_8bpp);
    gfx_SetPalette( sprite_train_pal, sizeof(sprite_train_pal), 0);
    gfx_TransparentSprite( train, 0, 0 );


train.c

Code:
#include <stdint.h>
#include "sprite_train.h"

uint8_t train_data_compressed[534] = {
 0x0A,0x4C,0x41,0x00,0x00,0x00,0x00,0x0A,0x04,0x04,0x0A,0x08,0x08,0x0A,0x10,0x10,0x0A,0x20,0x20,0x0A,0x40,0x40,0x0A,0x81,0x00,0x81,0x00,0x0A,0x82,0x00,0x82,0x00,0x0A,0x84,0x00,0x84,0x00,0x0A,0x87,0x4A,0x87,0x4A,0x02,0x02,0x02,0x02,0x0A,0x04,0x04,0x0A,0x08,0x08,0x0A,0x07,0x07,0x0A,0x35,0x4B,0x07,0x07,0x07,0x07,0x0A,0x04,0x04,0x0A,0x08,0x08,0x0A,0x07,0x07,0x0A,0x36,0x4D,0x0A,0x4A,0x81,0x18,0x00,0x02,0x01,0x01,0x01,0x01,0x0A,0x04,0x04,0x0A,0x08,0x08,0x0A,0x05,0x05,0x0A,0x4C,0x4C,0x0A,0x09,0x4C,0x0A,0x2D,0x81,0x2D,0x0A,0x06,0x4C,0x04,0x04,0x04,0x04,0x0A,0x04,0x04,0x04,0x04,0x04,0x0A,0x0F,0x4C,0x0A,0x2C,0x81,0x2D,0x0A,0x05,0x2D,0x0A,0x0B,0x4B,0x0A,0x06,0x4D,0x0A,0x0A,0x4C,0x09,0x09,0x09,0x09,0x0A,0x04,0x04,0x09,0x09,0x09,0x0A,0x41,0x4C,0x0A,0x4B,0x81,0x18,0x0A,0x0B,0x4D,0x0A,0x22,0x83,0x10,0x0A,0x4C,0x4C,0x0A,0x81,0x18,0x81,0x18,0x0A,0x6C,0x81,0x18,0x0A,0x09,0x4D,0x0A,0x23,0x86,0x0B,0x0A,0x21,0x86,0x44,0x0A,0x4C,0x4C,0x0A,0x42,0x4C,0x0A,0x17,0x88,0x3F,0x0A,0x1E,0x87,0x17,0x0A,0x17,0x4C,0x0A,0x15,0x16,0x0A,0x20,0x81,0x21,0x0A,0x19,0x4C,0x02,0x02,0x02,0x0A,0x09,0x1C,0x0A,0x07,0x09,0x0A,0x05,0x81,0x16,0x0A,0x30,0x4C,0x0A,0x07,0x4B,0x0A,0x08,0x4D,0x0A,0x07,0x08,0x0A,0x08,0x13,0x0A,0x19,0x4D,0x0A,0x1A,0x4C,0x0A,0x0C,0x82,0x3D,0x0A,0x0E,0x1B,0x0A,0x3B,0x4C,0x0A,0x0E,0x58,0x0A,0x4B,0x4C,0x0A,0x04,0x04,0x09,0x0A,0x45,0x4C,0x0A,0x05,0x0A,0x0A,0x22,0x4C,0x0A,0x07,0x84,0x3D,0x0A,0x1F,0x4C,0x0A,0x1D,0x84,0x15,0x0A,0x09,0x85,0x57,0x0A,0x0D,0x2E,0x0A,0x17,0x4C,0x0A,0x06,0x09,0x0A,0x20,0x4C,0x02,0x01,0x01,0x03,0x03,0x03,0x03,0x03,0x0A,0x07,0x82,0x12,0x0A,0x15,0x84,0x14,0x0A,0x08,0x71,0x0A,0x1F,0x4C,0x0A,0x08,0x4B,0x0A,0x0F,0x4D,0x0A,0x0D,0x84,0x57,0x0A,0x21,0x81,0x17,0x0A,0x06,0x4C,0x0A,0x0A,0x4B,0x0A,0x07,0x4D,0x0A,0x3A,0x86,0x44,0x0A,0x0C,0x4B,0x0A,0x06,0x4D,0x0A,0x3A,0x87,0x5C,0x02,0x0A,0x06,0x4B,0x02,0x02,0x02,0x0A,0x06,0x4D,0x0A,0x08,0x81,0x16,0x03,0x03,0x03,0x05,0x05,0x05,0x05,0x0A,0x04,0x04,0x01,0x05,0x05,0x0A,0x08,0x0E,0x02,0x08,0x0A,0x22,0x4C,0x0A,0x05,0x74,0x0A,0x0B,0x4C,0x03,0x03,0x03,0x06,0x06,0x06,0x06,0x0A,0x04,0x04,0x0A,0x07,0x07,0x0A,0x07,0x4E,0x0A,0x19,0x4D,0x0A,0x1D,0x4C,0x0A,0x0E,0x4D,0x0A,0x04,0x11,0x0A,0x04,0x4C,0x08,0x0A,0x18,0x4D,0x0A,0x05,0x86,0x61,0x0A,0x14,0x4C,0x0A,0x05,0x13,0x0A,0x08,0x3F,0x05,0x0A,0x0C,0x0E,0x02,0x0A,0x1C,0x4D,0x0A,0x15,0x82,0x30,0x0A,0x09,0x11,0x0A,0x08,0x4C,0x0A,0x09,0x0E,0x08,0x0A,0x1C,0x4D,0x0A,0x07,0x44,0x0A,0x07,0x83,0x48,0x0A,0x07,0x83,0x2E,0x0A,0x09,0x81,0x0A,0x0A,0x0D,0x0E,0x0A,0x05,0x8A,0x0D,0x0A,0x1B,0x4D,0x0A,0x05,0x05,0x0A,0x09,0x4B,0x0A,0x10,0x12,0x0A,0x0E,0x0E,0x0A,0x06,0x7B,0x0A,0x27,0x4D,0x0A,0x11,0x11,0x0A,0x18,0x1F,0x0A,0x1D,0x8D,0x12,0x0A,0x12,0x2C,0x0A,0x0E,0x10,0x0A,0x0E,0x0E,
};


Sprite_train.c

Code:
#include <stdint.h>
#include "sprite_train.h"

uint16_t sprite_train_pal[256] = {
 0x25C9,  // 00 :: rgba(71,112,76,0)
 0x7CC3,  // 01 :: rgba(255,48,25,255)
 0x0000,  // 02 :: rgba(0,0,0,255)
 0x739C,  // 03 :: rgba(229,225,228,255)
 0x03FF,  // 04 :: rgba(0,252,254,255)
 0x7CC3,  // 05 :: rgba(255,48,22,255)
 0x56B5,  // 06 :: rgba(172,169,172,255)
 0xFBBD,  // 07 :: rgba(243,238,242,255)
 0xE739,  // 08 :: rgba(209,205,208,255)
 0x6759,  // 09 :: rgba(208,209,208,255)
 0x0000,  // 10 :: rgba(0,0,0,0)
 0x0000,  // 11 :: rgba(0,0,0,0)
 0x0000,  // 12 :: rgba(0,0,0,0)
 0x0000,  // 13 :: rgba(0,0,0,0)
 0x0000,  // 14 :: rgba(0,0,0,0)
 0x0000,  // 15 :: rgba(0,0,0,0)
 0x0000,  // 16 :: rgba(0,0,0,0)
 0x0000,  // 17 :: rgba(0,0,0,0)
 0x0000,  // 18 :: rgba(0,0,0,0)
 0x0000,  // 19 :: rgba(0,0,0,0)
 0x0000,  // 20 :: rgba(0,0,0,0)
 0x0000,  // 21 :: rgba(0,0,0,0)
 0x0000,  // 22 :: rgba(0,0,0,0)
 0x0000,  // 23 :: rgba(0,0,0,0)
 0x0000,  // 24 :: rgba(0,0,0,0)
 0x0000,  // 25 :: rgba(0,0,0,0)
 0x0000,  // 26 :: rgba(0,0,0,0)
 0x0000,  // 27 :: rgba(0,0,0,0)
 0x0000,  // 28 :: rgba(0,0,0,0)
 0x0000,  // 29 :: rgba(0,0,0,0)
 0x0000,  // 30 :: rgba(0,0,0,0)
 0x0000,  // 31 :: rgba(0,0,0,0)
 0x0000,  // 32 :: rgba(0,0,0,0)
 0x0000,  // 33 :: rgba(0,0,0,0)
 0x0000,  // 34 :: rgba(0,0,0,0)
 0x0000,  // 35 :: rgba(0,0,0,0)
 0x0000,  // 36 :: rgba(0,0,0,0)
 0x0000,  // 37 :: rgba(0,0,0,0)
 0x0000,  // 38 :: rgba(0,0,0,0)
 0x0000,  // 39 :: rgba(0,0,0,0)
 0x0000,  // 40 :: rgba(0,0,0,0)
 0x0000,  // 41 :: rgba(0,0,0,0)
 0x0000,  // 42 :: rgba(0,0,0,0)
 0x0000,  // 43 :: rgba(0,0,0,0)
 0x0000,  // 44 :: rgba(0,0,0,0)
 0x0000,  // 45 :: rgba(0,0,0,0)
 0x0000,  // 46 :: rgba(0,0,0,0)
 0x0000,  // 47 :: rgba(0,0,0,0)
 0x0000,  // 48 :: rgba(0,0,0,0)
 0x0000,  // 49 :: rgba(0,0,0,0)
 0x0000,  // 50 :: rgba(0,0,0,0)
 0x0000,  // 51 :: rgba(0,0,0,0)
 0x0000,  // 52 :: rgba(0,0,0,0)
 0x0000,  // 53 :: rgba(0,0,0,0)
 0x0000,  // 54 :: rgba(0,0,0,0)
 0x0000,  // 55 :: rgba(0,0,0,0)
 0x0000,  // 56 :: rgba(0,0,0,0)
 0x0000,  // 57 :: rgba(0,0,0,0)
 0x0000,  // 58 :: rgba(0,0,0,0)
 0x0000,  // 59 :: rgba(0,0,0,0)
 0x0000,  // 60 :: rgba(0,0,0,0)
 0x0000,  // 61 :: rgba(0,0,0,0)
 0x0000,  // 62 :: rgba(0,0,0,0)
 0x0000,  // 63 :: rgba(0,0,0,0)
 0x0000,  // 64 :: rgba(0,0,0,0)
 0x0000,  // 65 :: rgba(0,0,0,0)
 0x0000,  // 66 :: rgba(0,0,0,0)
 0x0000,  // 67 :: rgba(0,0,0,0)
 0x0000,  // 68 :: rgba(0,0,0,0)
 0x0000,  // 69 :: rgba(0,0,0,0)
 0x0000,  // 70 :: rgba(0,0,0,0)
 0x0000,  // 71 :: rgba(0,0,0,0)
 0x0000,  // 72 :: rgba(0,0,0,0)
 0x0000,  // 73 :: rgba(0,0,0,0)
 0x0000,  // 74 :: rgba(0,0,0,0)
 0x0000,  // 75 :: rgba(0,0,0,0)
 0x0000,  // 76 :: rgba(0,0,0,0)
 0x0000,  // 77 :: rgba(0,0,0,0)
 0x0000,  // 78 :: rgba(0,0,0,0)
 0x0000,  // 79 :: rgba(0,0,0,0)
 0x0000,  // 80 :: rgba(0,0,0,0)
 0x0000,  // 81 :: rgba(0,0,0,0)
 0x0000,  // 82 :: rgba(0,0,0,0)
 0x0000,  // 83 :: rgba(0,0,0,0)
 0x0000,  // 84 :: rgba(0,0,0,0)
 0x0000,  // 85 :: rgba(0,0,0,0)
 0x0000,  // 86 :: rgba(0,0,0,0)
 0x0000,  // 87 :: rgba(0,0,0,0)
 0x0000,  // 88 :: rgba(0,0,0,0)
 0x0000,  // 89 :: rgba(0,0,0,0)
 0x0000,  // 90 :: rgba(0,0,0,0)
 0x0000,  // 91 :: rgba(0,0,0,0)
 0x0000,  // 92 :: rgba(0,0,0,0)
 0x0000,  // 93 :: rgba(0,0,0,0)
 0x0000,  // 94 :: rgba(0,0,0,0)
 0x0000,  // 95 :: rgba(0,0,0,0)
 0x0000,  // 96 :: rgba(0,0,0,0)
 0x0000,  // 97 :: rgba(0,0,0,0)
 0x0000,  // 98 :: rgba(0,0,0,0)
 0x0000,  // 99 :: rgba(0,0,0,0)
 0x0000,  // 100 :: rgba(0,0,0,0)
 0x0000,  // 101 :: rgba(0,0,0,0)
 0x0000,  // 102 :: rgba(0,0,0,0)
 0x0000,  // 103 :: rgba(0,0,0,0)
 0x0000,  // 104 :: rgba(0,0,0,0)
 0x0000,  // 105 :: rgba(0,0,0,0)
 0x0000,  // 106 :: rgba(0,0,0,0)
 0x0000,  // 107 :: rgba(0,0,0,0)
 0x0000,  // 108 :: rgba(0,0,0,0)
 0x0000,  // 109 :: rgba(0,0,0,0)
 0x0000,  // 110 :: rgba(0,0,0,0)
 0x0000,  // 111 :: rgba(0,0,0,0)
 0x0000,  // 112 :: rgba(0,0,0,0)
 0x0000,  // 113 :: rgba(0,0,0,0)
 0x0000,  // 114 :: rgba(0,0,0,0)
 0x0000,  // 115 :: rgba(0,0,0,0)
 0x0000,  // 116 :: rgba(0,0,0,0)
 0x0000,  // 117 :: rgba(0,0,0,0)
 0x0000,  // 118 :: rgba(0,0,0,0)
 0x0000,  // 119 :: rgba(0,0,0,0)
 0x0000,  // 120 :: rgba(0,0,0,0)
 0x0000,  // 121 :: rgba(0,0,0,0)
 0x0000,  // 122 :: rgba(0,0,0,0)
 0x0000,  // 123 :: rgba(0,0,0,0)
 0x0000,  // 124 :: rgba(0,0,0,0)
 0x0000,  // 125 :: rgba(0,0,0,0)
 0x0000,  // 126 :: rgba(0,0,0,0)
 0x0000,  // 127 :: rgba(0,0,0,0)
 0x0000,  // 128 :: rgba(0,0,0,0)
 0x0000,  // 129 :: rgba(0,0,0,0)
 0x0000,  // 130 :: rgba(0,0,0,0)
 0x0000,  // 131 :: rgba(0,0,0,0)
 0x0000,  // 132 :: rgba(0,0,0,0)
 0x0000,  // 133 :: rgba(0,0,0,0)
 0x0000,  // 134 :: rgba(0,0,0,0)
 0x0000,  // 135 :: rgba(0,0,0,0)
 0x0000,  // 136 :: rgba(0,0,0,0)
 0x0000,  // 137 :: rgba(0,0,0,0)
 0x0000,  // 138 :: rgba(0,0,0,0)
 0x0000,  // 139 :: rgba(0,0,0,0)
 0x0000,  // 140 :: rgba(0,0,0,0)
 0x0000,  // 141 :: rgba(0,0,0,0)
 0x0000,  // 142 :: rgba(0,0,0,0)
 0x0000,  // 143 :: rgba(0,0,0,0)
 0x0000,  // 144 :: rgba(0,0,0,0)
 0x0000,  // 145 :: rgba(0,0,0,0)
 0x0000,  // 146 :: rgba(0,0,0,0)
 0x0000,  // 147 :: rgba(0,0,0,0)
 0x0000,  // 148 :: rgba(0,0,0,0)
 0x0000,  // 149 :: rgba(0,0,0,0)
 0x0000,  // 150 :: rgba(0,0,0,0)
 0x0000,  // 151 :: rgba(0,0,0,0)
 0x0000,  // 152 :: rgba(0,0,0,0)
 0x0000,  // 153 :: rgba(0,0,0,0)
 0x0000,  // 154 :: rgba(0,0,0,0)
 0x0000,  // 155 :: rgba(0,0,0,0)
 0x0000,  // 156 :: rgba(0,0,0,0)
 0x0000,  // 157 :: rgba(0,0,0,0)
 0x0000,  // 158 :: rgba(0,0,0,0)
 0x0000,  // 159 :: rgba(0,0,0,0)
 0x0000,  // 160 :: rgba(0,0,0,0)
 0x0000,  // 161 :: rgba(0,0,0,0)
 0x0000,  // 162 :: rgba(0,0,0,0)
 0x0000,  // 163 :: rgba(0,0,0,0)
 0x0000,  // 164 :: rgba(0,0,0,0)
 0x0000,  // 165 :: rgba(0,0,0,0)
 0x0000,  // 166 :: rgba(0,0,0,0)
 0x0000,  // 167 :: rgba(0,0,0,0)
 0x0000,  // 168 :: rgba(0,0,0,0)
 0x0000,  // 169 :: rgba(0,0,0,0)
 0x0000,  // 170 :: rgba(0,0,0,0)
 0x0000,  // 171 :: rgba(0,0,0,0)
 0x0000,  // 172 :: rgba(0,0,0,0)
 0x0000,  // 173 :: rgba(0,0,0,0)
 0x0000,  // 174 :: rgba(0,0,0,0)
 0x0000,  // 175 :: rgba(0,0,0,0)
 0x0000,  // 176 :: rgba(0,0,0,0)
 0x0000,  // 177 :: rgba(0,0,0,0)
 0x0000,  // 178 :: rgba(0,0,0,0)
 0x0000,  // 179 :: rgba(0,0,0,0)
 0x0000,  // 180 :: rgba(0,0,0,0)
 0x0000,  // 181 :: rgba(0,0,0,0)
 0x0000,  // 182 :: rgba(0,0,0,0)
 0x0000,  // 183 :: rgba(0,0,0,0)
 0x0000,  // 184 :: rgba(0,0,0,0)
 0x0000,  // 185 :: rgba(0,0,0,0)
 0x0000,  // 186 :: rgba(0,0,0,0)
 0x0000,  // 187 :: rgba(0,0,0,0)
 0x0000,  // 188 :: rgba(0,0,0,0)
 0x0000,  // 189 :: rgba(0,0,0,0)
 0x0000,  // 190 :: rgba(0,0,0,0)
 0x0000,  // 191 :: rgba(0,0,0,0)
 0x0000,  // 192 :: rgba(0,0,0,0)
 0x0000,  // 193 :: rgba(0,0,0,0)
 0x0000,  // 194 :: rgba(0,0,0,0)
 0x0000,  // 195 :: rgba(0,0,0,0)
 0x0000,  // 196 :: rgba(0,0,0,0)
 0x0000,  // 197 :: rgba(0,0,0,0)
 0x0000,  // 198 :: rgba(0,0,0,0)
 0x0000,  // 199 :: rgba(0,0,0,0)
 0x0000,  // 200 :: rgba(0,0,0,0)
 0x0000,  // 201 :: rgba(0,0,0,0)
 0x0000,  // 202 :: rgba(0,0,0,0)
 0x0000,  // 203 :: rgba(0,0,0,0)
 0x0000,  // 204 :: rgba(0,0,0,0)
 0x0000,  // 205 :: rgba(0,0,0,0)
 0x0000,  // 206 :: rgba(0,0,0,0)
 0x0000,  // 207 :: rgba(0,0,0,0)
 0x0000,  // 208 :: rgba(0,0,0,0)
 0x0000,  // 209 :: rgba(0,0,0,0)
 0x0000,  // 210 :: rgba(0,0,0,0)
 0x0000,  // 211 :: rgba(0,0,0,0)
 0x0000,  // 212 :: rgba(0,0,0,0)
 0x0000,  // 213 :: rgba(0,0,0,0)
 0x0000,  // 214 :: rgba(0,0,0,0)
 0x0000,  // 215 :: rgba(0,0,0,0)
 0x0000,  // 216 :: rgba(0,0,0,0)
 0x0000,  // 217 :: rgba(0,0,0,0)
 0x0000,  // 218 :: rgba(0,0,0,0)
 0x0000,  // 219 :: rgba(0,0,0,0)
 0x0000,  // 220 :: rgba(0,0,0,0)
 0x0000,  // 221 :: rgba(0,0,0,0)
 0x0000,  // 222 :: rgba(0,0,0,0)
 0x0000,  // 223 :: rgba(0,0,0,0)
 0x0000,  // 224 :: rgba(0,0,0,0)
 0x0000,  // 225 :: rgba(0,0,0,0)
 0x0000,  // 226 :: rgba(0,0,0,0)
 0x0000,  // 227 :: rgba(0,0,0,0)
 0x0000,  // 228 :: rgba(0,0,0,0)
 0x0000,  // 229 :: rgba(0,0,0,0)
 0x0000,  // 230 :: rgba(0,0,0,0)
 0x0000,  // 231 :: rgba(0,0,0,0)
 0x0000,  // 232 :: rgba(0,0,0,0)
 0x0000,  // 233 :: rgba(0,0,0,0)
 0x0000,  // 234 :: rgba(0,0,0,0)
 0x0000,  // 235 :: rgba(0,0,0,0)
 0x0000,  // 236 :: rgba(0,0,0,0)
 0x0000,  // 237 :: rgba(0,0,0,0)
 0x0000,  // 238 :: rgba(0,0,0,0)
 0x0000,  // 239 :: rgba(0,0,0,0)
 0x0000,  // 240 :: rgba(0,0,0,0)
 0x0000,  // 241 :: rgba(0,0,0,0)
 0x0000,  // 242 :: rgba(0,0,0,0)
 0x0000,  // 243 :: rgba(0,0,0,0)
 0x0000,  // 244 :: rgba(0,0,0,0)
 0x0000,  // 245 :: rgba(0,0,0,0)
 0x0000,  // 246 :: rgba(0,0,0,0)
 0x0000,  // 247 :: rgba(0,0,0,0)
 0x0000,  // 248 :: rgba(0,0,0,0)
 0x0000,  // 249 :: rgba(0,0,0,0)
 0x0000,  // 250 :: rgba(0,0,0,0)
 0x0000,  // 251 :: rgba(0,0,0,0)
 0x0000,  // 252 :: rgba(0,0,0,0)
 0x0000,  // 253 :: rgba(0,0,0,0)
 0x0000,  // 254 :: rgba(0,0,0,0)
 0x0000   // 255 :: rgba(0,0,0,0)
};
Well something is wrong with sprite_train.c. Every one of those is supposed to have values. Are you using the xLibc Palette? In your convpng.ini file, do you have:

Code:
#Palette: xlibc
?
Thinking about math....or C++
Where should I put it? I currently don't have the #Palette: at all. I just modified the original one in the example. Is there anything else I should add?

Code:
#GroupC          : sprite_train#Compression         
: lz77
#PNGImages         :
 train
Before #PNGImages and I think you have to put train.png after #PNGImages:, I'm not sure, I would just in case.
Thinking about math....or C++
Oh, you aren't going going to want to use compression, you need some other commands to get them to display. So just delete #compression and :lz77

My Stuff
I finally got it working! Thanks for the help! Next question: is there a way to remove the sprite background?
Use gfx_TransparentSprite(); and make sure your convpng.ini has #TranspColor : 255,255,255,255
Thinking about math....or C++
seanlego23 wrote:
Use gfx_TransparentSprite(); and make sure your convpng.ini has #TranspColor : 255,255,255,255


Exactly that, but you would have to make transparent color white. Just get the rgb for whatever color you do want to be transparent. This tool may help: http://htmlcolorcodes.com/color-picker/

My Stuff
Unicorn wrote:
seanlego23 wrote:
Use gfx_TransparentSprite(); and make sure your convpng.ini has #TranspColor : 255,255,255,255


Exactly that, but you would have to make transparent color white. Just get the rgb for whatever color you do want to be transparent. This tool may help: http://htmlcolorcodes.com/color-picker/

And add the last 255. It's for transparency or something like that, but it's important.
Thinking about math....or C++
I'm having a problem with the keypress. I can press it once, but after that, it wont do anything.

Code:
    while(death==0){
        key = kb_ScanGroup(kb_group_7);
        draw_tracks();
       
        if (key == kb_Up) {
            train_jump();
        }

    }
Try this:


Code:

if (key & kb_Up)
      train_jump();

My Stuff
That still doesn't work Sad It might be something with my train_jump function.

Code:
void train_jump(void){
    for(a=95;a>60;a--){
        for(x=0; x<30;x++){gfx_Sprite( train, 0, a );}
        drawtrain_off();
        draw_tracks();
    }
    for(;a=95;a++){
        for(x=0; x<30;x++){gfx_Sprite( train, 0, a );}
        drawtrain_off();
        draw_tracks();
    }
}
hmm... Does your key-getting loop look like this?


Code:

 while(death==0){
        key = kb_ScanGroup(kb_group_7);
        draw_tracks();
         
        if (key & kb_Up) {
            train_jump();
        }
 }


if so, you may want to put the kb_ScanGroup at the bottom of the loop.

Code:

 while(death==0){
        draw_tracks();
         
        if (key & kb_Up) {
            train_jump();
        }
        key = kb_ScanGroup(kb_group_7); 
 }

My Stuff
calcnerd_CEP_D wrote:
That still doesn't work Sad It might be something with my train_jump function.

Code:
void train_jump(void){
    for(a=95;a>60;a--){
        for(x=0; x<30;x++){gfx_Sprite( train, 0, a );}
        drawtrain_off();
        draw_tracks();
    }
    for(;a=95;a++){  //<--------
        for(x=0; x<30;x++){gfx_Sprite( train, 0, a );}
        drawtrain_off();
        draw_tracks();
    }
}
Changing for(;a=95;a++){ to for(;a<=95;a++){ should work.
It works now! Very Happy Thank you so much guys.
EDIT: Here's my first screenshot!
Looking good, but I'm gonna be greedy ask for more: can we get an animated screenshot? Razz

My Stuff
1. How do I submit my entry?

2. I've got the obstacle moving, but every time I jump, the obstacle speeds up. What can I do to fix this?
Code:
    while(death==0){
       
        draw_tracks();
        gfx_Sprite( train, 0, 96 );
       
        if (key & kb_Up) {
            train_jump();
        }
        if (137<=a+65 & (obst_x<=76 & obst_x>=20)){
            death=1;
        }
       
        if (obst_x<=0){
            obst_x=350;
        }
        key = kb_ScanGroup(kb_group_7);
    }
}
void draw_tracks(){
    //draw the tracks
    gfx_SetColor(181);
    gfx_FillRectangle_NoClip(0,161,320,1);
    gfx_SetColor(170);
    for(x=0; x<320; x+=10){
        gfx_FillRectangle_NoClip(x,162,8,2);
    }
    obst_off();
    obst_x-=4;
    gfx_Sprite( obstacle, obst_x, 137);
   
}

void train_jump(void){
    for(a=96;a>40;a--){
        for(x=0; x<25;x++){gfx_Sprite( train, 0, a );}
        drawtrain_off();
        draw_tracks();
    }
    for(;a<=96;a++){
        for(x=0; x<25;x++){gfx_Sprite( train, 0, a );}
        drawtrain_off();
        draw_tracks();
    }
}

void obst_off(void){
    gfx_SetColor(95);
    gfx_FillRectangle_NoClip(obst_x,137,24,24);
}
To submit, check this post: https://www.cemetech.net/forum/viewtopic.php?p=251980#251980

Does the object visible speed up? It could be because you are taking some display things off the screen, thus resulting in a speedup.

My Stuff
  
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