mirror of
https://github.com/OpenRCT2/OpenRCT2
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316 lines
8.2 KiB
C
316 lines
8.2 KiB
C
#pragma region Copyright (c) 2014-2016 OpenRCT2 Developers
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/*****************************************************************************
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* OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
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*
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* OpenRCT2 is the work of many authors, a full list can be found in contributors.md
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* For more information, visit https://github.com/OpenRCT2/OpenRCT2
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*
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* OpenRCT2 is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* A full copy of the GNU General Public License can be found in licence.txt
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*****************************************************************************/
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#pragma endregion
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#include "../paint.h"
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#include "../../interface/viewport.h"
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#include "../../addresses.h"
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#include "map_element.h"
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#include "../../drawing/drawing.h"
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#include "../../ride/ride_data.h"
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#include "../../ride/track_data.h"
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#include "../../ride/track_paint.h"
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#include "../../config.h"
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#include "../../world/sprite.h"
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#include "../../world/banner.h"
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#include "../../world/entrance.h"
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#include "../../world/footpath.h"
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#include "../../world/scenery.h"
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#include "../../sprites.h"
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#include "../../localisation/localisation.h"
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#include "../../game.h"
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#include "../supports.h"
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static void blank_tiles_paint(int x, int y);
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static void sub_68B3FB(int x, int y);
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const int SEGMENTS_ALL = SEGMENT_B4 | SEGMENT_B8 | SEGMENT_BC | SEGMENT_C0 | SEGMENT_C4 | SEGMENT_C8 | SEGMENT_CC | SEGMENT_D0 | SEGMENT_D4;
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/**
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*
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* rct2: 0x0068B35F
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*/
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void map_element_paint_setup(int x, int y)
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{
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if (
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x < gMapSizeUnits &&
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y < gMapSizeUnits &&
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x >= 32 &&
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y >= 32
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) {
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paint_util_set_segment_support_height(SEGMENTS_ALL, 0xFFFF, 0);
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paint_util_force_set_general_support_height(-1, 0);
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RCT2_GLOBAL(0x0141E9DC, uint32) = 0xFFFF;
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sub_68B3FB(x, y);
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} else {
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blank_tiles_paint(x, y);
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}
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}
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/**
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*
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* rct2: 0x0068B2B7
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*/
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void sub_68B2B7(int x, int y)
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{
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if (
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x < gMapSizeUnits &&
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y < gMapSizeUnits &&
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x >= 32 &&
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y >= 32
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) {
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paint_util_set_segment_support_height(SEGMENTS_ALL, 0xFFFF, 0);
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paint_util_force_set_general_support_height(-1, 0);
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RCT2_GLOBAL(0x0141E9DC, uint32) = 0xFFFF;
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RCT2_GLOBAL(0x0141E9DB, uint8) |= 2;
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sub_68B3FB(x, y);
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} else {
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blank_tiles_paint(x, y);
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}
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}
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/**
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*
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* rct2: 0x0068B60E
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*/
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static void blank_tiles_paint(int x, int y)
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{
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rct_drawpixelinfo *dpi = RCT2_GLOBAL(0x0140E9A8, rct_drawpixelinfo*);
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int dx;
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switch (get_current_rotation()) {
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case 0:
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dx = x + y;
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break;
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case 1:
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x += 32;
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dx = y - x;
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break;
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case 2:
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x += 32;
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y += 32;
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dx = -(x + y);
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break;
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case 3:
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y += 32;
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dx = x - y;
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break;
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}
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dx /= 2;
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dx -= 16;
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int bx = dx + 32;
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if (bx <= dpi->y) return;
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dx -= 20;
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dx -= dpi->height;
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if (dx >= dpi->y) return;
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RCT2_GLOBAL(0x9DE568, sint16) = x;
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RCT2_GLOBAL(0x9DE56C, sint16) = y;
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RCT2_GLOBAL(RCT2_ADDRESS_PAINT_SETUP_CURRENT_TYPE, uint8_t) = VIEWPORT_INTERACTION_ITEM_NONE;
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sub_98196C(3123, 0, 0, 32, 32, -1, 16, get_current_rotation());
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}
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/**
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*
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* rct2: 0x0068B3FB
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*/
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static void sub_68B3FB(int x, int y)
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{
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rct_drawpixelinfo *dpi = RCT2_GLOBAL(0x0140E9A8, rct_drawpixelinfo*);
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RCT2_GLOBAL(0x141F56A, uint16_t) = 0;
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RCT2_GLOBAL(0x9E3138, uint8_t) = 0xFF;
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RCT2_GLOBAL(0x9E30B6, uint8_t) = 0xFF;
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RCT2_GLOBAL(0x9E323C, uint8_t) = 0xFF;
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RCT2_GLOBAL(0x9DE56A, uint16_t) = x;
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RCT2_GLOBAL(0x9DE56E, uint16_t) = y;
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RCT2_GLOBAL(0x9DE574, uint16_t) = x;
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RCT2_GLOBAL(0x9DE576, uint16_t) = y;
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rct_map_element* map_element = map_get_first_element_at(x >> 5, y >> 5);
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uint8 rotation = get_current_rotation();
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int dx = 0;
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switch (rotation) {
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case 0:
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dx = x + y;
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break;
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case 1:
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x += 32;
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dx = y - x;
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break;
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case 2:
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x += 32;
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y += 32;
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dx = -(x + y);
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break;
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case 3:
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y += 32;
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dx = x - y;
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break;
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}
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dx >>= 1;
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// Display little yellow arrow when building footpaths?
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if ((gMapSelectFlags & MAP_SELECT_FLAG_ENABLE_ARROW) &&
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RCT2_GLOBAL(0x9DE56A, uint16) == gMapSelectArrowPosition.x &&
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RCT2_GLOBAL(0x9DE56E, uint16) == gMapSelectArrowPosition.y
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) {
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uint8 arrowRotation =
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(rotation
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+ (gMapSelectArrowDirection & 3)) & 3;
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uint32 imageId =
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arrowRotation +
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(gMapSelectArrowDirection & 0xFC) +
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0x20900C27;
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int arrowZ = gMapSelectArrowPosition.z;
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RCT2_GLOBAL(0x9DE568, sint16) = x;
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RCT2_GLOBAL(0x9DE56C, sint16) = y;
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RCT2_GLOBAL(RCT2_ADDRESS_PAINT_SETUP_CURRENT_TYPE, uint8) = VIEWPORT_INTERACTION_ITEM_NONE;
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sub_98197C(imageId, 0, 0, 32, 32, 0xFF, arrowZ, 0, 0, arrowZ + 18, rotation);
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}
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int bx = dx + 52;
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if (bx <= dpi->y)
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return;
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const rct_map_element* element = map_element;//push map_element
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sint16 max_height = 0;
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do{
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max_height = max(max_height, element->clearance_height);
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} while (!map_element_is_last_for_tile(element++));
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element--;
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if (map_element_get_type(element) == MAP_ELEMENT_TYPE_SURFACE &&
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(element->properties.surface.terrain & MAP_ELEMENT_WATER_HEIGHT_MASK) != 0){
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max_height = (element->properties.surface.terrain & MAP_ELEMENT_WATER_HEIGHT_MASK) << 1;
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}
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max_height *= 8;
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dx -= max_height + 32;
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element = map_element;//pop map_element
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dx -= dpi->height;
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if (dx >= dpi->y)
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return;
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RCT2_GLOBAL(0x9DE568, sint16) = x;
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RCT2_GLOBAL(0x9DE56C, sint16) = y;
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RCT2_GLOBAL(0x9DE57C, uint16) = 0;
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do {
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int direction = (map_element->type + rotation) & MAP_ELEMENT_DIRECTION_MASK;
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int height = map_element->base_height * 8;
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uint32_t dword_9DE574 = RCT2_GLOBAL(0x9DE574, uint32_t);
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RCT2_GLOBAL(0x9DE578, rct_map_element*) = map_element;
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//setup the painting of for example: the underground, signs, rides, scenery, etc.
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switch (map_element_get_type(map_element))
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{
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case MAP_ELEMENT_TYPE_SURFACE:
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surface_paint(direction, height, map_element);
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break;
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case MAP_ELEMENT_TYPE_PATH:
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path_paint(direction, height, map_element);
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break;
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case MAP_ELEMENT_TYPE_TRACK:
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track_paint(direction, height, map_element);
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break;
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case MAP_ELEMENT_TYPE_SCENERY:
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scenery_paint(direction, height, map_element);
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break;
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case MAP_ELEMENT_TYPE_ENTRANCE:
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entrance_paint(direction, height, map_element);
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break;
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case MAP_ELEMENT_TYPE_FENCE:
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fence_paint(direction, height, map_element);
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break;
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case MAP_ELEMENT_TYPE_SCENERY_MULTIPLE:
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scenery_multiple_paint(direction, height, map_element);
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break;
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case MAP_ELEMENT_TYPE_BANNER:
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banner_paint(direction, height, map_element);
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break;
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// A corrupt element inserted by OpenRCT2 itself, which skips the drawing of the next element only.
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case MAP_ELEMENT_TYPE_CORRUPT:
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if (map_element_is_last_for_tile(map_element))
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return;
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map_element++;
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break;
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default:
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// An undefined map element is most likely a corrupt element inserted by 8 cars' MOM feature to skip drawing of all elements after it.
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return;
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}
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RCT2_GLOBAL(0x9DE574, uint32_t) = dword_9DE574;
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} while (!map_element_is_last_for_tile(map_element++));
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}
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void paint_util_push_tunnel_left(uint16 height, uint8 type)
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{
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uint32 eax = 0xFFFF0000 | ((height / 16) & 0xFF) | type << 8;
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RCT2_ADDRESS(0x009E3138, uint32)[RCT2_GLOBAL(0x141F56A, uint8) / 2] = eax;
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RCT2_GLOBAL(0x141F56A, uint8)++;
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}
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void paint_util_push_tunnel_right(uint16 height, uint8 type)
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{
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uint32 eax = 0xFFFF0000 | ((height / 16) & 0xFF) | type << 8;
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RCT2_ADDRESS(0x009E30B6, uint32)[RCT2_GLOBAL(0x141F56B, uint8) / 2] = eax;
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RCT2_GLOBAL(0x141F56B, uint8)++;
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}
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void paint_util_set_general_support_height(sint16 height, uint8 slope)
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{
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if (RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_PAINT_TILE_MAX_HEIGHT, sint16) >= height) {
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return;
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}
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paint_util_force_set_general_support_height(height, slope);
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}
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void paint_util_force_set_general_support_height(sint16 height, uint8 slope)
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{
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RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_PAINT_TILE_MAX_HEIGHT, sint16) = height;
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RCT2_GLOBAL(0x141E9DA, uint8) = slope;
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}
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const uint segment_offsets[9] = {
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SEGMENT_B4,
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SEGMENT_B8,
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SEGMENT_BC,
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SEGMENT_C0,
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SEGMENT_C4,
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SEGMENT_C8,
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SEGMENT_CC,
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SEGMENT_D0,
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SEGMENT_D4
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};
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void paint_util_set_segment_support_height(int segments, uint16 height, uint8 slope)
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{
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for (int s = 0; s < 9; s++) {
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if (segments & segment_offsets[s]) {
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RCT2_GLOBAL(0x0141E9B4 + s * 4, uint16) = height;
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if (height != 0xFFFF) {
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RCT2_GLOBAL(0x0141E9B6 + s * 4, uint8) = slope;
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}
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}
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}
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} |