105 lines
2.6 KiB
C
105 lines
2.6 KiB
C
#include <gint/display.h>
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#include "drawiso.h"
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#include "define.h"
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extern bopti_image_t img_1;
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extern bopti_image_t img_2;
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extern bopti_image_t img_3;
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/* generate and draw the map around the player (player_view)
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* @param map : the map you want to draw
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* @param indx : the virtual x position of the player
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* @param indy : the virtual y position of the player
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* @param taillemap : the length of the map
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* @param isometric : 0 = top view, 1 = isometric view
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*/
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void draw_map_player(int map[], int indx, int indy, int taillemap, char isometric) {
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int j = 0;
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int x = 0;
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int coomap = indx + indy*level_width;
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int beginmap = coomap - player_view - level_width*player_view;
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int beginline = coomap - player_view * level_width - coomap%level_width;
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if(beginmap < 0) {
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beginmap = indx - player_view;
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if(beginmap < 0) beginmap = 0;
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}
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if((coomap - player_view)%level_width > coomap%level_width) {
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if(beginline > 0) {
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beginmap = beginline;
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} else {
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beginmap = 0;
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}
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}
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int next = indx + player_view + beginmap/level_width * level_width;
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int endline = beginmap+level_width-beginmap%level_width-1;
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if(next > endline) next = endline;
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if(next < 0) {
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next = indx + player_view;
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}
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int indypro = indy + player_view;
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if(indypro > taillemap/level_width-1) {
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indypro = taillemap/level_width-1;
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}
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int endmap = next%level_width + level_width*indypro;
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int ecart = next - beginmap;
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int xcentre = 0, ycentre = 0;
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for(int i = beginmap; i <= endmap; i++) {
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x++;
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if(i == coomap) {xcentre = x-1; ycentre = j; break;}
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if(i == beginmap + ecart + j * level_width) {
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j++;
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x=0;
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i = beginmap + j*level_width-1;
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}
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}
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j=0;
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x=4-xcentre;
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for(int i = beginmap; i <= endmap; i++) {
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int y = j + (2-ycentre);
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switch(map[i]) {
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case 1:
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draw(x,y,isometric,&img_1,0);
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break;
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case 2:
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draw(x,y,isometric,&img_2,0);
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break;
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case 3:
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draw(x,y,isometric,&img_3,16);
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break;
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}
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x++;
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if(i==beginmap+ecart+j*level_width) {
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j++;
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x=4-xcentre;
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i = beginmap + j*level_width-1;
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}
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}
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}
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/* draw at a certain position the block depends of the type of view
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* @param posx : where to draw on the x axis
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* @param posy : where to draw on the y axis
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* @param isometric : type of view
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* @param image : the texture
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* @param height : draw the block upper. If you need to draw a higher block
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*/
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void draw(int posx, int posy, char isometric, bopti_image_t *image, int height) {
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if(isometric) {
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dsubimage(150+(-posy*tile+posx*tile),60-height+((posx*tile/2)+(posy*tile/2)),image,0,0,32,32+height,DIMAGE_NONE);
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} else {
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dsubimage(150+(posx-3)*tile*2,60+(posy-1)*tile*2,image,0,32+height,32,32,DIMAGE_NONE);
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}
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}
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