mirror of https://github.com/OpenRCT2/OpenRCT2.git
Finished first draft of viewport_create
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9d9f3424cf
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@ -2053,7 +2053,7 @@ char save_game()
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void rct2_exit()
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{
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RCT2_CALLPROC_EBPSAFE(0x006E3879);
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rct2_quit(); //Post quit message does not work in 0x6e3879 as its windows only.
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//Post quit message does not work in 0x6e3879 as its windows only.
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}
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/**
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@ -22,6 +22,8 @@
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#include "config.h"
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#include "gfx.h"
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#include "string_ids.h"
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#include "sprite.h"
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#include "sprites.h"
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#include "viewport.h"
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#include "window.h"
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@ -71,7 +73,39 @@ void viewport_init_all()
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format_string((char*)0x0141FA44, STR_CANCEL, NULL);
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format_string((char*)0x0141F944, STR_OK, NULL);
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}
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/**
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* rct:0x006EB0C1
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* x : ax
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* y : bx
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* z : cx
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* out_x : ax
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* out_y : bx
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* Converts between 3d point of a sprite and its 2d point
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*/
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void center_2d_coordinates(int x, int y, int z, int* out_x, int* out_y, rct_viewport* viewport){
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int start_x = x;
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switch (RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_ROTATION, uint32)){
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case 0:
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y = y - x / 2 - z;
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break;
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case 1:
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x = -x - y;
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y = y / 2 - start_x / 2 - z;
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break;
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case 2:
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x -= y;
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y = -y / 2 - start_x / 2 - z;
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break;
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case 3:
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x += y;
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y = -y / 2 + start_x / 2 - z;
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break;
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}
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*out_x = x - viewport->view_width/2;
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*out_y = y - viewport->view_height/2;
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}
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/**
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*
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@ -80,11 +114,12 @@ void viewport_init_all()
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* y: eax (top 16)
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* width: bx
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* height: ebx (top 16)
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* ecx: ecx
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* zoom: cl (8 bits)
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* ecx: ecx (top 16 bits see zoom)
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* edx: edx
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* w: esi
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*/
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void viewport_create(rct_window *w, int x, int y, int width, int height, int ecx, int edx)
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void viewport_create(rct_window *w, int x, int y, int width, int height, int zoom, int ecx, int edx)
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{
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rct_viewport* viewport;
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int eax = 0xFF000001;
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@ -95,9 +130,55 @@ void viewport_create(rct_window *w, int x, int y, int width, int height, int ecx
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error_string_quit(0xFF000001, -1);
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}
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}
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x &= 0xFFFF;
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y &= 0xFFFF;
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RCT2_CALLPROC_X(0x006EB009, (y << 16) | x, (height << 16) | width, ecx, edx, (int)w, 0, 0);
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viewport->x = x;
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viewport->y = y;
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viewport->width = width;
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viewport->height = height;
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if (!(edx & (1 << 30))){
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zoom = 0;
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}
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edx &= ~(1 << 30);
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viewport->view_width = width << zoom;
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viewport->view_height = height << zoom;
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viewport->zoom = zoom;
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viewport->flags = 0;
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if (RCT2_GLOBAL(0x9AAC7A, uint8) & 1){
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viewport->flags |= VIEWPORT_FLAG_GRIDLINES;
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}
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w->viewport = viewport;
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int center_x, center_y, center_z;
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if (edx & (1 << 31)){
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edx &= 0xFFFF;
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w->var_4B0 = edx;
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rct_sprite* sprite = &g_sprite_list[edx];
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center_x = sprite->unknown.x;
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center_y = sprite->unknown.y;
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center_z = sprite->unknown.z;
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}
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else{
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center_x = edx & 0xFFFF;
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center_y = edx >> 16;
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center_z = ecx >> 16;
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w->var_4B0 = SPR_NONE;
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}
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int view_x, view_y;
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center_2d_coordinates(center_x, center_y, center_z, &view_x, &view_y, viewport);
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w->saved_view_x = view_x;
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w->saved_view_y = view_y;
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viewport->view_x = view_x;
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viewport->view_y = view_y;
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viewport_update_pointers();
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//x &= 0xFFFF;
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//y &= 0xFFFF;
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//RCT2_CALLPROC_X(0x006EB009, (y << 16) | x, (height << 16) | width, zoom, edx, (int)w, 0, 0);
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}
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/**
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