mirror of
https://github.com/OpenRCT2/OpenRCT2.git
synced 2024-09-09 11:07:02 +02:00
378 lines
13 KiB
C++
378 lines
13 KiB
C++
/*****************************************************************************
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* Copyright (c) 2014-2018 OpenRCT2 developers
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*
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* For a complete list of all authors, please refer to contributors.md
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* Interested in contributing? Visit https://github.com/OpenRCT2/OpenRCT2
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*
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* OpenRCT2 is licensed under the GNU General Public License version 3.
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*****************************************************************************/
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#include "PaintIntercept.hpp"
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#include "FunctionCall.hpp"
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#include "Hook.h"
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#include "TestPaint.hpp"
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#include <cstring>
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#include <openrct2/common.h>
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#include <openrct2/interface/Viewport.h>
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#include <openrct2/paint/Supports.h>
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#include <openrct2/sprites.h>
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paint_session gPaintSession;
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static bool _woodenSupports = false;
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static uint8_t _callCount = 0;
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static function_call _calls[256] = {};
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static paint_struct _paintStructs = {};
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namespace PaintIntercept
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{
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static uint8_t InterceptWoodenASupports(registers* regs);
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static uint8_t InterceptWoodenBSupports(registers* regs);
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static uint8_t InterceptMetalASupports(registers* regs);
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static uint8_t InterceptMetalBSupports(registers* regs);
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static uint8_t InterceptPaint6C(registers* regs);
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static uint8_t InterceptPaint7C(registers* regs);
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static uint8_t InterceptPaint8C(registers* regs);
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static uint8_t InterceptPaint9C(registers* regs);
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static uint8_t InterceptPaintFull(uint8_t function, registers* regs);
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bool PaintMetalSupports(
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uint8_t function, int supportType, uint8_t segment, int special, int height, uint32_t imageColourFlags,
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const support_height* supportSegments);
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bool PaintWoodenSupports(
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uint8_t function, int supportType, int special, int height, uint32_t imageColourFlags, bool* underground,
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const paint_struct* prependTo);
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static void CheckSegmentSupportHeight(const support_height* supportSegments);
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void InitHooks()
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{
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addhook(0x006629BC, InterceptWoodenASupports);
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addhook(0x00662D5C, InterceptWoodenBSupports);
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addhook(0x00663105, InterceptMetalASupports);
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addhook(0x00663584, InterceptMetalBSupports);
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addhook(0x006861AC, InterceptPaint6C);
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addhook(0x00686337, InterceptPaint6C);
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addhook(0x006864D0, InterceptPaint6C);
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addhook(0x0068666B, InterceptPaint6C);
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addhook(0x00686806, InterceptPaint7C);
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addhook(0x006869B2, InterceptPaint7C);
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addhook(0x00686B6F, InterceptPaint7C);
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addhook(0x00686D31, InterceptPaint7C);
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addhook(0x00686EF0, InterceptPaint8C);
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addhook(0x00687056, InterceptPaint8C);
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addhook(0x006871C8, InterceptPaint8C);
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addhook(0x0068733C, InterceptPaint8C);
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addhook(0x006874B0, InterceptPaint9C);
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addhook(0x00687618, InterceptPaint9C);
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addhook(0x0068778C, InterceptPaint9C);
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addhook(0x00687902, InterceptPaint9C);
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}
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bool PaintWoodenSupports(
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uint8_t function, int supportType, int special, int height, uint32_t imageColourFlags, bool* underground,
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const paint_struct* prependTo)
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{
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function_call* call = &_calls[_callCount];
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call->function = function;
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call->supports.type = supportType;
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call->supports.special = special;
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call->supports.height = height;
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call->supports.colour_flags = imageColourFlags;
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call->supports.prepend_to = SPR_NONE;
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if (prependTo != nullptr)
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{
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for (int i = 0; i < _callCount; i++)
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{
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if (&_calls[i].paint.output_struct == prependTo)
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{
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call->supports.prepend_to = _calls[i].paint.image_id;
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break;
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}
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}
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}
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_callCount++;
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return _woodenSupports;
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}
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bool PaintMetalSupports(
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uint8_t function, int supportType, uint8_t segment, int special, int height, uint32_t imageColourFlags,
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const support_height* supportSegments)
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{
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CheckSegmentSupportHeight(supportSegments);
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function_call* call = &_calls[_callCount];
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call->function = function;
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call->supports.type = supportType;
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call->supports.segment = segment;
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call->supports.special = special;
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call->supports.height = height;
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call->supports.colour_flags = imageColourFlags;
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_callCount++;
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return false;
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}
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static paint_struct* Paint6C(
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uint32_t imageID, int8_t xOffset, int8_t yOffset, int16_t boundBoxLengthX, int16_t boundBoxLengthY,
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int8_t boundBoxLengthZ, int16_t zOffset, uint32_t rotation)
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{
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function_call* call = &_calls[_callCount];
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call->function = PAINT_98196C;
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call->paint.image_id = imageID;
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call->paint.offset = { xOffset, yOffset };
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call->paint.bound_box_length = { boundBoxLengthX, boundBoxLengthY, boundBoxLengthZ };
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call->paint.z_offset = zOffset;
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call->paint.rotation = rotation;
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_callCount++;
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return &call->paint.output_struct;
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}
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static paint_struct* PaintFull(
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uint8_t function, uint32_t imageID, int8_t xOffset, int8_t yOffset, int16_t boundBoxLengthX, int16_t boundBoxLengthY,
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int8_t boundBoxLengthZ, int16_t zOffset, int16_t boundBoxOffsetX, int16_t boundBoxOffsetY, int16_t boundBoxOffsetZ,
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uint32_t rotation)
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{
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function_call* call = &_calls[_callCount];
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call->function = function;
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call->paint.image_id = imageID;
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call->paint.offset = { xOffset, yOffset };
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call->paint.bound_box_length = { boundBoxLengthX, boundBoxLengthY, boundBoxLengthZ };
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call->paint.bound_box_offset = { boundBoxOffsetX, boundBoxOffsetY, boundBoxOffsetZ };
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call->paint.z_offset = zOffset;
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call->paint.rotation = rotation;
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_callCount++;
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return &call->paint.output_struct;
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}
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void ClearCalls()
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{
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_callCount = 0;
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memset(_calls, 0, sizeof(_calls));
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}
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int GetCalls(function_call* buffer)
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{
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memcpy(buffer, _calls, _callCount * sizeof(function_call));
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return _callCount;
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}
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void SetSimulateWoodenSupports(bool enabled)
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{
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_woodenSupports = enabled;
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}
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static uint8_t InterceptMetalASupports(registers* regs)
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{
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bool output = PaintMetalSupports(
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SUPPORTS_METAL_A, regs->edi, regs->ebx, (int16_t)regs->ax, regs->dx, regs->ebp, gSupportSegments);
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return output ? X86_FLAG_CARRY : 0;
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}
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static uint8_t InterceptMetalBSupports(registers* regs)
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{
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bool output = PaintMetalSupports(
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SUPPORTS_METAL_B, regs->edi, regs->ebx, (int16_t)regs->ax, regs->dx, regs->ebp, gSupportSegments);
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return output ? X86_FLAG_CARRY : 0;
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}
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static void CheckSegmentSupportHeight(const support_height* supportSegments)
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{
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bool hasChanged = false;
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for (int i = 0; i < 9; i++)
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{
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if (supportSegments[i].height != 0)
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hasChanged = true;
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if (supportSegments[i].slope != 0xFF)
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hasChanged = true;
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}
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if (!hasChanged)
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{
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return;
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}
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function_call call = {};
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call.function = SET_SEGMENT_HEIGHT;
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_calls[_callCount] = call;
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_callCount++;
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}
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static uint8_t InterceptWoodenASupports(registers* regs)
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{
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bool cf = false;
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regs->al = PaintWoodenSupports(
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SUPPORTS_WOOD_A, regs->edi, regs->ax, regs->dx, regs->ebp, &cf, gWoodenSupportsPrependTo);
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if (cf)
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{
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return X86_FLAG_CARRY;
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}
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return 0;
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}
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static uint8_t InterceptWoodenBSupports(registers* regs)
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{
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bool cf = false;
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regs->al = PaintWoodenSupports(
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SUPPORTS_WOOD_B, regs->edi, regs->ax, regs->dx, regs->ebp, &cf, gWoodenSupportsPrependTo);
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if (cf)
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{
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return X86_FLAG_CARRY;
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}
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return 0;
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}
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static uint8_t InterceptPaint6C(registers* regs)
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{
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if ((regs->ebp & 0x03) != RCT2_CurrentRotation)
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{
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// Log error
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log_error("Ebp is different from current rotation");
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}
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paint_struct* out = Paint6C(
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regs->ebx, (int8_t)regs->al, (int8_t)regs->cl, (int16_t)regs->di, (int16_t)regs->si, (int8_t)regs->ah, regs->dx,
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regs->ebp & 0x03);
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if (out == nullptr)
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{
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return X86_FLAG_CARRY;
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}
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regs->ebp = (int)out;
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regs->al = 1;
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return 0;
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}
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static uint8_t InterceptPaint7C(registers* regs)
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{
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return InterceptPaintFull(PAINT_98197C, regs);
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}
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static uint8_t InterceptPaint8C(registers* regs)
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{
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return InterceptPaintFull(PAINT_98198C, regs);
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}
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static uint8_t InterceptPaint9C(registers* regs)
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{
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return InterceptPaintFull(PAINT_98199C, regs);
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}
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static uint8_t InterceptPaintFull(uint8_t function, registers* regs)
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{
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if ((regs->ebp & 0x03) != RCT2_CurrentRotation)
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{
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// Log error
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log_error("Ebp is different from current rotation");
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}
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LocationXYZ16 boundOffset = { RCT2_PaintBoundBoxOffsetX, RCT2_PaintBoundBoxOffsetY, RCT2_PaintBoundBoxOffsetZ };
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paint_struct* out = PaintFull(
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function, regs->ebx, (int8_t)regs->al, (int8_t)regs->cl, (int16_t)regs->di, (int16_t)regs->si, (int8_t)regs->ah,
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regs->dx, boundOffset.x, boundOffset.y, boundOffset.z, regs->ebp & 0x03);
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if (out == nullptr)
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{
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return X86_FLAG_CARRY;
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}
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regs->ebp = (int)out;
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return 0;
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}
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}; // namespace PaintIntercept
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bool wooden_a_supports_paint_setup(
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paint_session* session, int supportType, int special, int height, uint32_t imageColourFlags, bool* underground)
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{
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return PaintIntercept::PaintWoodenSupports(
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SUPPORTS_WOOD_A, supportType, special, height, imageColourFlags, underground, gPaintSession.WoodenSupportsPrependTo);
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}
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bool wooden_b_supports_paint_setup(
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paint_session* session, int supportType, int special, int height, uint32_t imageColourFlags, bool* underground)
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{
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return PaintIntercept::PaintWoodenSupports(
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SUPPORTS_WOOD_B, supportType, special, height, imageColourFlags, underground, gPaintSession.WoodenSupportsPrependTo);
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}
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bool metal_a_supports_paint_setup(
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paint_session* session, uint8_t supportType, uint8_t segment, int special, int height, uint32_t imageColourFlags)
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{
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return PaintIntercept::PaintMetalSupports(
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SUPPORTS_METAL_A, supportType, segment, special, height, imageColourFlags, gPaintSession.SupportSegments);
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}
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bool metal_b_supports_paint_setup(
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paint_session* session, uint8_t supportType, uint8_t segment, int special, int height, uint32_t imageColourFlags)
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{
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return PaintIntercept::PaintMetalSupports(
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SUPPORTS_METAL_B, supportType, segment, special, height, imageColourFlags, gPaintSession.SupportSegments);
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}
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paint_struct* sub_98196C(
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paint_session* session, uint32_t image_id, int8_t x_offset, int8_t y_offset, int16_t bound_box_length_x,
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int16_t bound_box_length_y, int8_t bound_box_length_z, int16_t z_offset)
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{
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return PaintIntercept::Paint6C(
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image_id, x_offset, y_offset, bound_box_length_x, bound_box_length_y, bound_box_length_z, z_offset,
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session->CurrentRotation);
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}
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paint_struct* sub_98197C(
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paint_session* session, uint32_t image_id, int8_t x_offset, int8_t y_offset, int16_t bound_box_length_x,
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int16_t bound_box_length_y, int8_t bound_box_length_z, int16_t z_offset, int16_t bound_box_offset_x,
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int16_t bound_box_offset_y, int16_t bound_box_offset_z)
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{
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return PaintIntercept::PaintFull(
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PAINT_98197C, image_id, x_offset, y_offset, bound_box_length_x, bound_box_length_y, bound_box_length_z, z_offset,
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bound_box_offset_x, bound_box_offset_y, bound_box_offset_z, session->CurrentRotation);
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}
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paint_struct* sub_98198C(
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paint_session* session, uint32_t image_id, int8_t x_offset, int8_t y_offset, int16_t bound_box_length_x,
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int16_t bound_box_length_y, int8_t bound_box_length_z, int16_t z_offset, int16_t bound_box_offset_x,
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int16_t bound_box_offset_y, int16_t bound_box_offset_z)
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{
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return PaintIntercept::PaintFull(
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PAINT_98198C, image_id, x_offset, y_offset, bound_box_length_x, bound_box_length_y, bound_box_length_z, z_offset,
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bound_box_offset_x, bound_box_offset_y, bound_box_offset_z, session->CurrentRotation);
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}
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paint_struct* sub_98199C(
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paint_session* session, uint32_t image_id, int8_t x_offset, int8_t y_offset, int16_t bound_box_length_x,
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int16_t bound_box_length_y, int8_t bound_box_length_z, int16_t z_offset, int16_t bound_box_offset_x,
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int16_t bound_box_offset_y, int16_t bound_box_offset_z)
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{
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return PaintIntercept::PaintFull(
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PAINT_98199C, image_id, x_offset, y_offset, bound_box_length_x, bound_box_length_y, bound_box_length_z, z_offset,
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bound_box_offset_x, bound_box_offset_y, bound_box_offset_z, session->CurrentRotation);
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}
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bool paint_attach_to_previous_ps(paint_session* session, uint32_t image_id, uint16_t x, uint16_t y)
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{
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return false;
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}
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