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test some stuff - still wip

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This commit is contained in:
Bruno Rybársky
2025-05-25 22:41:57 +02:00
parent 429627c095
commit 78620af37a
7 changed files with 174 additions and 67 deletions
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assets/PublicPixel.ttf Normal file
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214
items/item.c
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@@ -6,6 +6,7 @@
#include "../tiles/tile.h"
#include "../util/util.h"
#include "../player/player.h"
#include "../util/font.h"
#include <dirent.h>
Item ItemRegistry[ITEMREGISTRY_SIZE];
@@ -13,61 +14,84 @@ Item ItemRegistry[ITEMREGISTRY_SIZE];
uint16_t itemRegistryIndex = 0;
void updateItems() {
const int dirDx[8] = {-1, -1, -1, 0, 1, 1, 1, 0};
const int dirDy[8] = {1, 0, -1, -1, -1, 0, 1, 1};
const float speed = 0.002f; // fraction of tile per tick
const float epsilon = 0.999f; // if we can't move, back it off just below 1
for (int y = 0; y < MAP_HEIGHT; y++) {
for (int x = 0; x < MAP_WIDTH; x++) {
Tile *t = &tileMap[y][x];
for (uint8_t lane = 0; lane < 2; lane++) {
for (uint8_t itemIndex = 0; itemIndex < 2; itemIndex++) {
if (t->type != TYPE_BELT || !t->items[lane][itemIndex].active) continue;
if (t->type != TYPE_BELT) continue;
int dir = t->direction;
if (
(t->items[lane][itemIndex].x < -0.5 && t->direction == ORIENT_LEFT) ||
(t->items[lane][itemIndex].x > 1 && t->direction == ORIENT_RIGHT) ||
(t->items[lane][itemIndex].y < -0.5 && t->direction == ORIENT_UP) ||
(t->items[lane][itemIndex].y > 1 && t->direction == ORIENT_DOWN)
) {
int nx = x, ny = y;
if (t->direction == ORIENT_LEFT) nx--;
if (t->direction == ORIENT_RIGHT) nx++;
if (t->direction == ORIENT_UP) ny--;
if (t->direction == ORIENT_DOWN) ny++;
if (nx >= 0 && nx < MAP_WIDTH && ny >= 0 && ny < MAP_HEIGHT) {
Tile *next = &tileMap[ny][nx];
if (next->type == TYPE_BELT && !next->items[lane][itemIndex].active) {
memcpy(&next->items[lane][itemIndex], &t->items[lane][itemIndex], sizeof(ItemOnBelt));
printf("Moved to X=%d, Y=%d\n", nx, ny);
next->items[lane][itemIndex].tileX = nx;
next->items[lane][itemIndex].tileY = ny;
if (t->direction == ORIENT_LEFT) next->items[lane][itemIndex].x = 0.5f;
if (t->direction == ORIENT_RIGHT) next->items[lane][itemIndex].x = 0;
if (t->direction == ORIENT_UP) next->items[lane][itemIndex].y = 0.5f;
if (t->direction == ORIENT_DOWN) next->items[lane][itemIndex].y = 0;
next->items[lane][itemIndex].active = true;
t->items[lane][itemIndex].active = false;
} else {
bool horz = (dir == ORIENT_LEFT || dir == ORIENT_RIGHT);
bool vert = (dir == ORIENT_UP || dir == ORIENT_DOWN);
for (uint8_t lane = 0; lane < 2; lane++) {
for (uint8_t slot = 0; slot < 2; slot++) {
ItemOnBelt *itm = &t->items[lane][slot];
if (!itm->active) continue;
// 1) Advance
itm->offset += speed;
// 2) Time to hop?
if (itm->offset >= 0.5f) {
itm->offset -= 1.0f;
// target coords
int nx = x + dirDx[dir];
int ny = y + dirDy[dir];
// bounds & belt?
if (nx < 0 || nx >= MAP_WIDTH || ny < 0 || ny >= MAP_HEIGHT) {
itm->active = false;
continue;
}
} else {
t->items[lane][itemIndex].active = false;
}
Tile *next = &tileMap[ny][nx];
if (next->type != TYPE_BELT) {
itm->active = false;
continue;
}
float speed = 0.002f;
switch (t->direction) {
case ORIENT_LEFT:
t->items[lane][itemIndex].x -= speed;
break;
case ORIENT_RIGHT:
t->items[lane][itemIndex].x += speed;
break;
case ORIENT_UP:
t->items[lane][itemIndex].y -= speed;
break;
case ORIENT_DOWN:
t->items[lane][itemIndex].y += speed;
break;
default:
break;
// Decide new lane
int newLane = lane;
int newDir = next->direction;
bool nH = (newDir == ORIENT_LEFT || newDir == ORIENT_RIGHT);
bool nV = (newDir == ORIENT_UP || newDir == ORIENT_DOWN);
if ((horz && nH) || (vert && nV)) {
// same axis → keep lane
} else if (horz && nV) {
// came off a horizontal: lane0=top→vertical.left, lane1=bottom→vertical.right
newLane = (dir == ORIENT_LEFT ? 1 : 0);
} else if (vert && nH) {
// came off vertical: lane0=left→horizontal.top, lane1=right→horizontal.bottom
newLane = (dir == ORIENT_UP ? 0 : 1);
}
// (diagonals fall back to same-lane)
// Find a free slot in newLane
int destSlot = -1;
if (!next->items[newLane][0].active) destSlot = 0;
else if (!next->items[newLane][1].active) destSlot = 1;
if (destSlot >= 0) {
// MOVE it
ItemOnBelt moved = *itm;
moved.tileX = nx;
moved.tileY = ny;
next->items[newLane][destSlot] = moved;
next->items[newLane][destSlot].active = true;
// clear this one
itm->active = false;
} else {
// both slots full → wait at end
itm->offset = epsilon;
}
}
}
}
@@ -75,6 +99,7 @@ void updateItems() {
}
}
void registerItem(char name[20], SDL_Renderer *renderer) {
const char *dot = strchr(name, '.');
memcpy(ItemRegistry[itemRegistryIndex].name, name, dot - name);
@@ -90,14 +115,96 @@ void registerItem(char name[20], SDL_Renderer *renderer) {
itemRegistryIndex++;
}
void renderItem(ItemOnBelt item, SDL_Renderer *renderer) {
void renderItem(ItemOnBelt item, SDL_Renderer *renderer, int lane) {
SDL_Rect rect = {0};
rect.x = (item.tileX * TILE_SIZE) + (item.x * TILE_SIZE);
rect.y = (item.tileY * TILE_SIZE) + (item.y * TILE_SIZE);
rect.x = item.tileX * TILE_SIZE;
rect.y = item.tileY * TILE_SIZE;
int dir = tileMap[item.tileY][item.tileX].direction;
int offset = item.offset * TILE_SIZE;
int dx = 0, dy = 0; // Direction vector
switch (dir) {
case ORIENT_LEFT_DOWN:
dx = -1;
dy = 1;
break;
case ORIENT_LEFT:
dx = -1;
dy = 0;
break;
case ORIENT_LEFT_UP:
dx = -1;
dy = -1;
break;
case ORIENT_UP:
dx = 0;
dy = -1;
break;
case ORIENT_RIGHT_UP:
dx = 1;
dy = -1;
break;
case ORIENT_RIGHT:
dx = 1;
dy = 0;
break;
case ORIENT_RIGHT_DOWN:
dx = 1;
dy = 1;
break;
case ORIENT_DOWN:
dx = 0;
dy = 1;
break;
default:
break;
}
// Main offset along belt direction
int xOffset = (offset * dx) % TILE_SIZE;
int yOffset = (offset * dy) % TILE_SIZE;
// Perpendicular vector: (dy, -dx)
float perpX = dy;
float perpY = -dx;
float length = sqrtf(perpX * perpX + perpY * perpY);
if (length != 0) {
perpX /= length;
perpY /= length;
}
// Lane offset distance
float laneOffset = (lane == 1 ? 1.0f : -1.0f);
xOffset += (int) (perpX * laneOffset * (TILE_SIZE / 2));
yOffset += (int) (perpY * laneOffset * (TILE_SIZE / 2));
rect.x += xOffset;
rect.y += yOffset;
rect.w = TILE_SIZE / 2;
rect.h = TILE_SIZE / 2;
adjustRect(&rect);
SDL_Rect rectA = {0};
rectA.x = item.tileX * TILE_SIZE;
rectA.y = item.tileY * TILE_SIZE;
rectA.w = TILE_SIZE;
rectA.h = TILE_SIZE;
char tempStr[20];
sprintf(tempStr, "L%d\n%f\n%d\n%d", lane, item.offset, xOffset, yOffset);
SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_BLEND);
SDL_SetRenderDrawColor(renderer, 255, 0, 0, 32);
adjustRect(&rectA);
SDL_RenderFillRect(renderer, &rectA);
SDL_RenderCopy(renderer, ItemRegistry[item.type].textureOnBelt, NULL, &rect);
SDL_Texture *oldRenderTarget = SDL_GetRenderTarget(renderer);
SDL_SetRenderTarget(renderer, NULL);
renderText(renderer, fonts[3], tempStr, rectA.x, rectA.y);
SDL_SetRenderTarget(renderer, oldRenderTarget);
}
void renderBeltItems(SDL_Renderer *renderer) {
@@ -106,12 +213,7 @@ void renderBeltItems(SDL_Renderer *renderer) {
void putItem(int x, int y, uint16_t itemType, uint8_t lane, uint8_t itemIndex) {
tileMap[y][x].items[lane][itemIndex].type = itemType;
tileMap[y][x].items[lane][itemIndex].x = 0.25f;
tileMap[y][x].items[lane][itemIndex].y = 0.25f;
if (tileMap[y][x].direction == ORIENT_LEFT) tileMap[y][x].items[lane][itemIndex].x = 0.5f;
if (tileMap[y][x].direction == ORIENT_RIGHT) tileMap[y][x].items[lane][itemIndex].x = 0.25f;
if (tileMap[y][x].direction == ORIENT_UP) tileMap[y][x].items[lane][itemIndex].y = 0.5f;
if (tileMap[y][x].direction == ORIENT_DOWN) tileMap[y][x].items[lane][itemIndex].y = 0.25f;
tileMap[y][x].items[lane][itemIndex].offset = 0;
tileMap[y][x].items[lane][itemIndex].active = true;
tileMap[y][x].items[lane][itemIndex].tileX = x;
tileMap[y][x].items[lane][itemIndex].tileY = y;

5
items/item.h
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@@ -19,18 +19,17 @@ typedef struct {
extern Item ItemRegistry[ITEMREGISTRY_SIZE];
typedef struct {
float x, y; // local position in tile (0.0–1.0)
float offset;
int tileX, tileY;
bool active;
uint16_t type;
uint8_t place;
} ItemOnBelt;
void updateItems();
void loadItems(SDL_Renderer *renderer);
void renderItem(ItemOnBelt item, SDL_Renderer *renderer);
void renderItem(ItemOnBelt item, SDL_Renderer *renderer, int lane);
void putItem(int x, int y, uint16_t itemType, uint8_t lane, uint8_t itemIndex);
#endif //FACTORYGAME_ITEM_H

11
main.c
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@@ -25,10 +25,8 @@ SDL_Renderer *renderer = NULL;
#define biggerFont fonts[0]
#define smallFont fonts[1]
#define smallerFont fonts[2]
#define smallestFont fonts[3]
#define fontCount 3
BitmapFont fonts[fontCount];
unsigned long frames = 0;
bool cursor = true;
@@ -110,9 +108,10 @@ int init() {
SDL_RenderSetViewport(renderer, &viewport);
SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_BLEND);
biggerFont = prepText(renderer, 16, "PublicPixel.ttf", 255, 255, 255, 255);
smallFont = prepText(renderer, 12, "PublicPixel.ttf", 255, 255, 255, 255);
smallerFont = prepText(renderer, 8, "PublicPixel.ttf", 255, 255, 255, 255);
biggerFont = prepText(renderer, 16, "assets/PublicPixel.ttf", 255, 255, 255, 255);
smallFont = prepText(renderer, 12, "assets/PublicPixel.ttf", 255, 255, 255, 255);
smallerFont = prepText(renderer, 8, "assets/PublicPixel.ttf", 255, 255, 255, 255);
smallestFont = prepText(renderer, 4, "assets/PublicPixel.ttf", 255, 255, 255, 255);
SDL_RenderSetLogicalSize(renderer, SCREEN_WIDTH, SCREEN_HEIGHT);
generateTestMap();

2
tiles/belt.c
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@@ -90,7 +90,7 @@ void renderAllBelts(SDL_Renderer *renderer) {
for (uint8_t lane = 0; lane < 2; lane++) {
for (uint8_t itemIndex = 0; itemIndex < 2; itemIndex++) {
if (t.items[lane][itemIndex].active) {
renderItem(t.items[lane][itemIndex], renderer);
renderItem(t.items[lane][itemIndex], renderer, lane);
}
}
}

3
util/font.c
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@@ -4,6 +4,9 @@
#include "font.h"
BitmapFont fonts[fontCount];
BitmapFont
prepText(SDL_Renderer *renderer, unsigned char pxSize, const char *file, uint8_t r, uint8_t g, uint8_t b, uint8_t a) {
TTF_Font *gFont = TTF_OpenFont(file, pxSize);

4
util/font.h
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@@ -9,6 +9,8 @@
#include <SDL2/SDL_ttf.h>
#include <math.h>
#define fontCount 4
typedef struct {
SDL_Texture *texture[256];
SDL_Surface *surface[256];
@@ -16,6 +18,8 @@ typedef struct {
SDL_Color color;
} BitmapFont;
extern BitmapFont fonts[fontCount];
BitmapFont
prepText(SDL_Renderer *renderer, unsigned char pxSize, const char *file, uint8_t r, uint8_t g, uint8_t b, uint8_t a);