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Merge pull request #359 from duncanspumpkin/investigate_viewport 

viewport update position
This commit is contained in:
Ted John 2014-08-24 17:51:41 +01:00
parent 85d8f26d89 f94ebfc4e5
commit 46ad6732c7
8 changed files with 180 additions and 22 deletions
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1
src/addresses.h
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@ -257,6 +257,7 @@
#define RCT2_ADDRESS_NEXT_RESEARCH_EXPECTED_DAY 0x013580E7
#define RCT2_ADDRESS_NEXT_RESEARCH_EXPECTED_MONTH 0x013580E8
#define RCT2_ADDRESS_MAP_MAXIMUM_X_Y 0x01358832
#define RCT2_ADDRESS_MAP_SIZE 0x01358834
#define RCT2_ADDRESS_PARK_SIZE 0x013580EA

6
src/editor.c
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@ -73,7 +73,7 @@ void editor_load()
RCT2_CALLPROC_EBPSAFE(0x0066EF38); // window_main_editor_create
mainWindow = window_get_main();
window_scroll_to_location(mainWindow, 2400, 2400, 112);
mainWindow->flags &= ~WF_3;
mainWindow->flags &= ~WF_SCROLLING_TO_LOCATION;
RCT2_CALLPROC_EBPSAFE(0x006837E3);
gfx_invalidate_screen();
RCT2_GLOBAL(0x009DEA66, sint16) = 0;
@ -120,7 +120,7 @@ void trackdesigner_load()
RCT2_CALLPROC_EBPSAFE(0x0066EF38); // window_main_editor_create
mainWindow = window_get_main();
window_scroll_to_location(mainWindow, 2400, 2400, 112);
mainWindow->flags &= ~WF_3;
mainWindow->flags &= ~WF_SCROLLING_TO_LOCATION;
RCT2_CALLPROC_EBPSAFE(0x006837E3);
gfx_invalidate_screen();
RCT2_GLOBAL(0x009DEA66, sint16) = 0;
@ -158,7 +158,7 @@ void trackmanager_load()
RCT2_CALLPROC_EBPSAFE(0x0066EF38); // window_main_editor_create
mainWindow = window_get_main();
window_scroll_to_location(mainWindow, 2400, 2400, 112);
mainWindow->flags &= ~WF_3;
mainWindow->flags &= ~WF_SCROLLING_TO_LOCATION;
RCT2_CALLPROC_EBPSAFE(0x006837E3);
gfx_invalidate_screen();
RCT2_GLOBAL(0x009DEA66, sint16) = 0;

17
src/map.c
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@ -102,7 +102,7 @@ void map_init()
RCT2_GLOBAL(0x013CE774, sint16) = 0;
RCT2_GLOBAL(0x013CE776, sint16) = 0;
RCT2_GLOBAL(0x01358830, sint16) = 4768;
RCT2_GLOBAL(0x01358832, sint16) = 5054;
RCT2_GLOBAL(RCT2_ADDRESS_MAP_MAXIMUM_X_Y, sint16) = 5054;
RCT2_GLOBAL(RCT2_ADDRESS_MAP_SIZE, sint16) = 150;
RCT2_GLOBAL(0x01358836, sint16) = 4767;
RCT2_GLOBAL(0x01359208, sint16) = 7;
@ -141,7 +141,7 @@ void map_update_tile_pointers()
/**
* Return the absolute height of an element, given its (x,y) coordinates
*
*
* rct2: 0x00662783
*/
int map_element_height(int x, int y)
@ -168,7 +168,7 @@ int map_element_height(int x, int y)
// Remove the extra height bit
slope &= 0xF;
uint8 quad, quad_extra; // which quadrant the element is in?
sint8 quad, quad_extra; // which quadrant the element is in?
// quad_extra is for extra height tiles
uint8 xl, yl; // coordinates across this tile
@ -198,7 +198,7 @@ int map_element_height(int x, int y)
quad = TILE_SIZE - yl - xl;
break;
case 8: // NW corner up
quad = xl - yl;
quad = yl - xl;
break;
}
// If the element is in the quadrant with the slope, raise its height
@ -210,7 +210,7 @@ int map_element_height(int x, int y)
// One side up
switch (slope) {
case 3: // E side up
height += xl / 2;
height += xl / 2 + 1;
break;
case 6: // S side up
height += (TILE_SIZE - yl) / 2;
@ -233,15 +233,15 @@ int map_element_height(int x, int y)
break;
case 11: // SW corner down
quad_extra = xl + yl;
quad = xl + yl - TILE_SIZE;
quad = xl + yl - TILE_SIZE - 1;
break;
case 13: // SE corner down
quad_extra = TILE_SIZE - xl + yl;
quad = xl - yl;
quad = yl - xl;
break;
case 14: // NE corner down
quad_extra = (TILE_SIZE - xl) + (TILE_SIZE - yl);
quad = TILE_SIZE - yl - xl;
quad = TILE_SIZE - yl - xl - 1;
break;
}
@ -255,7 +255,6 @@ int map_element_height(int x, int y)
// so we move *down* the slope
if (quad < 0) {
height += quad / 2;
height += 0xFF00;
}
}

14
src/map.h
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@ -24,8 +24,8 @@
#include "rct2.h"
typedef struct {
uint8 slope;
uint8 terrain;
uint8 slope; //4
uint8 terrain; //5
uint8 grass_length;
uint8 ownership;
} rct_map_element_surface_properties;
@ -92,10 +92,10 @@ typedef union {
* size: 0x08
*/
typedef struct {
uint8 type;
uint8 flags;
uint8 base_height;
uint8 clearance_height;
uint8 type; //0
uint8 flags; //1
uint8 base_height; //2
uint8 clearance_height; //3
rct_map_element_properties properties;
} rct_map_element;
@ -177,6 +177,8 @@ enum {
#define MAP_ELEMENT_WATER_HEIGHT_MASK 0x1F
#define MAP_ELEMENT_SURFACE_TERRAIN_MASK 0xE0
#define MAP_MINIMUM_X_Y -256
#define MAX_MAP_ELEMENTS 196608
#define MAX_TILE_MAP_ELEMENT_POINTERS (256 * 256)

157
src/viewport.c
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@ -18,9 +18,11 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*****************************************************************************/
#include <assert.h>
#include "addresses.h"
#include "config.h"
#include "gfx.h"
#include "map.h"
#include "string_ids.h"
#include "sprite.h"
#include "sprites.h"
@ -219,13 +221,166 @@ void viewport_update_pointers()
*vp = NULL;
}
void sub_689174(sint16* x, sint16* y, uint8 curr_rotation){
//RCT2_CALLFUNC_X(0x00689174, (int*)&x, (int*)&y, &ecx, &curr_rotation, (int*)&window, (int*)&viewport, &ebp);
sint16 start_x = *x;
sint16 start_y = *y;
sint16 height = 0;
switch (curr_rotation){
case 0:
for (int i = 0; i < 6; ++i){
*x = start_y - start_x / 2 + height;
*y = start_y + start_x / 2 + height;
height = map_element_height((0xFFFF) & *x, (0xFFFF) & *y);
}
break;
case 1:
for (int i = 0; i < 6; ++i){
*x = -start_y - start_x / 2 - height;
*y = start_y - start_x / 2 + height;
height = map_element_height((0xFFFF) & *x, (0xFFFF) & *y);
}
break;
case 2:
for (int i = 0; i < 6; ++i){
*x = -start_y + start_x / 2 - height;
*y = -start_y - start_x / 2 - height;
height = map_element_height((0xFFFF) & *x, (0xFFFF) & *y);
}
break;
case 3:
for (int i = 0; i < 6; ++i){
*x = start_x / 2 + start_y + height;
*y = start_x / 2 - start_y - height;
height = map_element_height((0xFFFF) & *x, (0xFFFF) & *y);
}
break;
}
}
/**
*
* rct2: 0x006E7A3A
*/
void viewport_update_position(rct_window *window)
{
RCT2_CALLPROC_X(0x006E7A3A, 0, 0, 0, 0, (int)window, 0, 0);
//RCT2_CALLPROC_X(0x006E7A3A, 0, 0, 0, 0, (int)window, 0, 0);
RCT2_CALLPROC_X(window->event_handlers[WE_RESIZE], 0, 0, 0, 0, (int)window, 0, 0);
rct_viewport* viewport = window->viewport;
if (!viewport)return;
if (window->viewport_target_sprite != -1){
rct_sprite* sprite = &g_sprite_list[window->viewport_target_sprite];
int height = map_element_height(sprite->unknown.x, sprite->unknown.y) - 16;
int underground = sprite->unknown.z < height;
RCT2_CALLPROC_X(0x6E7A15, sprite->unknown.x, sprite->unknown.y, sprite->unknown.z, underground, (int)window, (int)viewport, 0);
int center_x, center_y;
center_2d_coordinates(sprite->unknown.x, sprite->unknown.y, sprite->unknown.z, &center_x, &center_y, window->viewport);
RCT2_CALLPROC_X(0x6E7DE1, center_x, center_y, 0, 0, (int)window, (int)viewport, 0);
window_invalidate(window);//Added to force a redraw.
return;
}
sint16 x = viewport->view_width / 2 + window->saved_view_x;
sint16 y = viewport->view_height / 2 + window->saved_view_y;
int curr_rotation = RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_ROTATION, uint32);
sub_689174(&x, &y, curr_rotation);
RCT2_CALLPROC_X(0x006E7A15, x, y, 0, 0, (int)window, (int)viewport, 0);
//Clamp to the map minimum value
int at_map_edge = 0;
if (x < MAP_MINIMUM_X_Y){
x = MAP_MINIMUM_X_Y;
at_map_edge = 1;
}
if (y < MAP_MINIMUM_X_Y){
y = MAP_MINIMUM_X_Y;
at_map_edge = 1;
}
//Clamp to the map maximum value (scenario specific)
if (x > RCT2_GLOBAL(RCT2_ADDRESS_MAP_MAXIMUM_X_Y, sint16)){
x = RCT2_GLOBAL(RCT2_ADDRESS_MAP_MAXIMUM_X_Y, sint16);
at_map_edge = 1;
}
if (y > RCT2_GLOBAL(RCT2_ADDRESS_MAP_MAXIMUM_X_Y, sint16)){
y = RCT2_GLOBAL(RCT2_ADDRESS_MAP_MAXIMUM_X_Y, sint16);
at_map_edge = 1;
}
if (at_map_edge) {
// The &0xFFFF is to prevent the sign extension messing the
// function up.
int z = map_element_height(x & 0xFFFF, y & 0xFFFF);
int _2d_x, _2d_y;
center_2d_coordinates(x, y, z, &_2d_x, &_2d_y, viewport);
if (window->saved_view_x > 0){
_2d_x = min(_2d_x, window->saved_view_x);
}
else{
_2d_x = max(_2d_x, window->saved_view_x);
}
if (window->saved_view_y > 0){
_2d_y = min(_2d_y, window->saved_view_y);
}
else{
_2d_y = max(_2d_y, window->saved_view_y);
}
window->saved_view_x = _2d_x;
window->saved_view_y = _2d_y;
}
x = window->saved_view_x;
y = window->saved_view_y;
if (window->flags & WF_SCROLLING_TO_LOCATION){
// Moves the viewport if focusing in on an item
uint8 flags = 0;
x -= viewport->view_x;
if (x < 0){
x = -x;
flags |= 1;
}
y -= viewport->view_y;
if (y < 0){
y = -y;
flags |= 2;
}
x = (x + 7)/8;
y = (y + 7)/8;
//If we are at the final zoom position
if (!x && !y){
window->flags &= ~WF_SCROLLING_TO_LOCATION;
}
if (flags & 1){
x = -x;
}
if (flags & 2){
y = -y;
}
x += viewport->view_x;
y += viewport->view_y;
}
RCT2_CALLPROC_X(0x6E7DE1, x, y, 0, 0, (int)window, (int)viewport, 0);
}
void viewport_paint(rct_viewport* viewport, rct_drawpixelinfo* dpi, int left, int top, int right, int bottom);

2
src/window.h
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@ -260,7 +260,7 @@ typedef enum {
WF_STICK_TO_BACK = (1 << 0),
WF_STICK_TO_FRONT = (1 << 1),
WF_2 = (1 << 2),
WF_3 = (1 << 3),
WF_SCROLLING_TO_LOCATION = (1 << 3),
WF_TRANSPARENT = (1 << 4),
WF_5 = (1 << 5),
WF_RESIZABLE = (1 << 8),

1
src/window_new_ride.c
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@ -680,6 +680,7 @@ static void window_new_ride_scrollmouseover()
return;
item = window_new_ride_scroll_get_ride_list_item_at(w, x, y);
if (w->new_ride.highlighted_ride_id == *((sint16*)&item))
return;

4
src/window_peep.c
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@ -521,10 +521,10 @@ void window_peep_viewport_init(rct_window* w){
void window_peep_overview_paint(){
rct_window *w;
rct_drawpixelinfo *dpi;
rct_widget *labelWidget;
//rct_widget *labelWidget;
window_paint_get_registers(w, dpi);
RCT2_CALLPROC_X(0x696887, 0, 0, 0, 0, w, dpi, 0);
RCT2_CALLPROC_X(0x696887, 0, 0, 0, 0, (int)w, (int)dpi, 0);
return;
window_draw_widgets(w, dpi);