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implement some of editor_load_landscape for sv4 and sc4 files

This commit is contained in:
IntelOrca 2014-10-10 22:50:22 +01:00
parent 9dd6c8dd15
commit 1714f94263
8 changed files with 324 additions and 14 deletions
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2
projects/openrct2.vcxproj
View File

@ -136,6 +136,7 @@
<ClCompile Include="..\src\windows\track_manage.c" />
<ClCompile Include="..\src\windows\track_place.c" />
<ClCompile Include="..\src\windows\water.c" />
<ClCompile Include="..\src\world\banner.c" />
<ClCompile Include="..\src\world\climate.c" />
<ClCompile Include="..\src\world\fountain.c" />
<ClCompile Include="..\src\world\map.c" />
@ -194,6 +195,7 @@
<ClInclude Include="..\src\windows\error.h" />
<ClInclude Include="..\src\windows\scenery.h" />
<ClInclude Include="..\src\windows\tooltip.h" />
<ClInclude Include="..\src\world\banner.h" />
<ClInclude Include="..\src\world\climate.h" />
<ClInclude Include="..\src\world\map.h" />
<ClInclude Include="..\src\world\park.h" />

11
projects/openrct2.vcxproj.filters
View File

@ -382,15 +382,11 @@
<ClCompile Include="..\lib\lodepng\lodepng.c" />
<ClCompile Include="..\lib\lodepng\lodepng.c" />
<ClCompile Include="..\lib\lodepng\lodepng.c" />
<ClCompile Include="..\lib\lodepng\lodepng.c" />
<ClCompile Include="..\src\drawing\rain.c">
<Filter>Source\Drawing</Filter>
</ClCompile>
<ClCompile Include="..\lib\lodepng\lodepng.c" />
<ClCompile Include="..\lib\lodepng\lodepng.c" />
<ClCompile Include="..\lib\libspeex\resample.c">
<Filter>Libraries\lodepng</Filter>
</ClCompile>
<ClCompile Include="..\lib\lodepng\lodepng.c" />
<ClCompile Include="..\lib\libspeex\resample.c">
<Filter>Libraries\libspeex</Filter>
@ -422,6 +418,10 @@
<ClCompile Include="..\src\world\fountain.c">
<Filter>Source\World</Filter>
</ClCompile>
<ClCompile Include="..\lib\libspeex\resample.c;..\lib\lodepng\lodepng.c" />
<ClCompile Include="..\src\world\banner.c">
<Filter>Source\World</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<ClInclude Include="..\src\management\award.h">
@ -616,5 +616,8 @@
<ClInclude Include="..\lib\argparse\argparse.h">
<Filter>Libraries\argparse</Filter>
</ClInclude>
<ClInclude Include="..\src\world\banner.h">
<Filter>Source\World</Filter>
</ClInclude>
</ItemGroup>
</Project>

217
src/editor.c
View File

@ -32,11 +32,19 @@
#include "object.h"
#include "peep/staff.h"
#include "ride/ride.h"
#include "util/sawyercoding.h"
#include "world/banner.h"
#include "world/map.h"
#include "world/park.h"
#include "world/sprite.h"
static void set_all_land_owned();
static int editor_load_landscape_from_sv4(const char *path);
static int editor_load_landscape_from_sc4(const char *path);
static int editor_read_sc4(char *src, int length);
static int editor_read_sv4(char *src, int length);
static int editor_read_s4(char *src);
static int editor_read_s6(const char *path);
/*Syntax error blah blah blat *&2)*/
@ -166,16 +174,6 @@ void trackmanager_load()
rct2_endupdate();
}
/**
*
* rct2: 0x006758C0
*/
void editor_load_landscape(const char *path)
{
strcpy((char *)0x0141EF68, path);
RCT2_CALLPROC_EBPSAFE(0x006758C0);
}
/**
*
* rct2: 0x0068ABEC
@ -201,3 +199,202 @@ void sub_6BD3A4() {
//RCT2_CALLPROC_EBPSAFE(0x006C0C3F);
sub_6C0C3F();
}
static void read(void *dst, void **src, int length)
{
memcpy(dst, *src, length);
*((char**)src) += length;
}
/**
*
* rct2: 0x006758C0
*/
void editor_load_landscape(const char *path)
{
window_close_construction_windows();
char *extension = strrchr(path, '.');
if (extension != NULL) {
if (_stricmp(extension, ".sv4") == 0) {
editor_load_landscape_from_sv4(path);
return;
} else if (_stricmp(extension, ".sc4") == 0) {
editor_load_landscape_from_sc4(path);
return;
}
}
// Load SC6 / SV6
editor_read_s6(path);
}
/**
*
* rct2: 0x006A2B02
*/
static int editor_load_landscape_from_sv4(const char *path)
{
FILE *fp;
long fpLength;
char *fpBuffer;
// Open file
fp = fopen(path, "rb");
if (fp == NULL) {
RCT2_GLOBAL(0x009AC31B, uint8) = 255;
RCT2_GLOBAL(0x009AC31C, uint16) = 3011;
return 0;
}
// Get length
fseek(fp, 0, SEEK_END);
fpLength = ftell(fp);
rewind(fp);
// Read whole file into a buffer
fpBuffer = malloc(fpLength);
fread(fpBuffer, fpLength, 1, fp);
fclose(fp);
editor_read_sv4(fpBuffer, fpLength);
free(fpBuffer);
RCT2_CALLPROC_EBPSAFE(0x006A2B62);
return 1;
}
static int editor_load_landscape_from_sc4(const char *path)
{
FILE *fp;
long fpLength;
char *fpBuffer;
// Open file
fp = fopen(path, "rb");
if (fp == NULL) {
RCT2_GLOBAL(0x009AC31B, uint8) = 255;
RCT2_GLOBAL(0x009AC31C, uint16) = 3011;
return 0;
}
// Get length
fseek(fp, 0, SEEK_END);
fpLength = ftell(fp);
rewind(fp);
// Read whole file into a buffer
fpBuffer = malloc(fpLength);
fread(fpBuffer, fpLength, 1, fp);
fclose(fp);
editor_read_sc4(fpBuffer, fpLength);
free(fpBuffer);
RCT2_CALLPROC_EBPSAFE(0x006A2B62);
return 1;
}
static int editor_read_sc4(char *src, int length)
{
int decodedLength;
char *decodedBuffer;
decodedBuffer = malloc(2065676);
decodedLength = sawyercoding_decode_sc4(src, decodedBuffer, length);
if (decodedLength != 2065676) {
free(decodedBuffer);
return 0;
}
editor_read_s4(decodedBuffer);
free(decodedBuffer);
return 1;
}
static int editor_read_sv4(char *src, int length)
{
int decodedLength;
char *decodedBuffer;
decodedBuffer = malloc(2065676);
decodedLength = sawyercoding_decode_sv4(src, decodedBuffer, length);
if (decodedLength != 2065676) {
free(decodedBuffer);
return 0;
}
editor_read_s4(decodedBuffer);
free(decodedBuffer);
return 1;
}
/**
*
* rct2: 0x0069EEA0
*/
static int editor_read_s4(char *src)
{
int i;
rct_banner *banner;
read((void*)RCT2_ADDRESS_CURRENT_MONTH_YEAR, &src, 16);
memset((void*)RCT2_ADDRESS_MAP_ELEMENTS, 0, 0x60000 * 4);
read((void*)RCT2_ADDRESS_MAP_ELEMENTS, &src, 0x60000);
read((void*)0x010E63B8, &src, 0x138804);
for (i = 0; i < MAX_BANNERS; i++)
gBanners[i].var_00 = 255;
read((void*)0x013573BC, &src, 12424);
for (i = 0; i < MAX_BANNERS; i++) {
banner = &gBanners[i];
if (banner->var_00 != 255 && banner->var_02 != 3458)
banner->var_02 = 778;
}
read((void*)0x0135A8F4, &src, 0x2F51C);
memset((void*)0x013CA672, 0, 204);
read((void*)0x0138B580, &src, 0x258F2);
read((void*)0x013C6A72, &src, 0x3C00);
char *esi = (char*)0x13C6A72;
char *edi = (char*)0x13B0E72;
int ebx, edx = 116;
do {
ebx = 32;
do {
memcpy(edi, esi, 4); esi += 4; edi += 4;
memset(edi, 0, 4); edi += 4;
} while (--ebx > 0);
memset(edi, 0, 64); edi += 64;
} while (--edx > 0);
edi += 0xA800;
edx = 4;
do {
ebx = 32;
do {
memcpy(edi, esi, 4); esi += 4; edi += 4;
memset(edi, 0, 4); edi += 4;
} while (--ebx);
memset(edi, 0, 64); edi += 64;
} while (--edx);
read((void*)0x013CA672, &src, 116);
read((void*)0x013CA73A, &src, 4);
read((void*)0x013CA73E, &src, 0x41EA);
return 1;
}
/**
*
* rct2: 0x006758FE
*/
static int editor_read_s6(const char *path)
{
strcpy((char *)0x0141EF68, path);
RCT2_CALLPROC_EBPSAFE(0x006758FE);
return 1;
}

1
src/openrct2.c
View File

@ -28,6 +28,7 @@
#include "openrct2.h"
#include "platform/platform.h"
#include "platform/osinterface.h"
#include "util/sawyercoding.h"
int gOpenRCT2StartupAction = STARTUP_ACTION_TITLE;
char gOpenRCT2StartupActionPath[512] = { 0 };

43
src/util/sawyercoding.c
View File

@ -303,3 +303,46 @@ void encode_chunk_rotate(char *buffer, int length)
code = (code + 2) % 8;
}
}
int sawyercoding_decode_sv4(char *src, char *dst, int length)
{
// (0 to length - 4): RLE chunk
// (length - 4 to length): checksum
return decode_chunk_rle(src, dst, length - 4);
}
int sawyercoding_decode_sc4(char *src, char *dst, int length)
{
int decodedLength, i;
uint32 *code;
// Uncompress
decodedLength = decode_chunk_rle(src, dst, length - 4);
// Decode
for (i = 0x60018; i <= min(decodedLength - 1, 0x1F8353); i++)
dst[i] = dst[i] ^ 0x9C;
for (i = 0x60018; i <= min(decodedLength - 1, 0x1F8350); i += 4) {
dst[i + 1] = ror8(dst[i + 1], 3);
code = (uint32*)&dst[i];
*code = rol32(*code, 9);
}
return decodedLength;
}
int sawyercoding_encode_sv4(char *src, char *dst, int length)
{
int encodedLength, checksum;
// Encode
encodedLength = encode_chunk_rle(src, dst, length);
// Append checksum
checksum = sawyercoding_calculate_checksum(dst, encodedLength);
*((uint32*)&dst[encodedLength]) = checksum;
return encodedLength + 4;
}

3
src/util/sawyercoding.h
View File

@ -40,5 +40,8 @@ int sawyercoding_validate_checksum(FILE *file);
int sawyercoding_calculate_checksum(uint8* buffer, uint32 length);
int sawyercoding_read_chunk(FILE *file, uint8 *buffer);
int sawyercoding_write_chunk_buffer(uint8 *dst_file, uint8* buffer, sawyercoding_chunk_header chunkHeader);
int sawyercoding_decode_sv4(char *src, char *dst, int length);
int sawyercoding_decode_sc4(char *src, char *dst, int length);
int sawyercoding_encode_sv4(char *src, char *dst, int length);
#endif

24
src/world/banner.c Normal file
View File

@ -0,0 +1,24 @@
/*****************************************************************************
* Copyright (c) 2014 Ted John, Matthias Lanzinger
* OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
*
* This file is part of OpenRCT2.
*
* OpenRCT2 is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*****************************************************************************/
#include "../addresses.h"
#include "banner.h"
rct_banner *gBanners = (rct_banner*)0x0135A124;

37
src/world/banner.h Normal file
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@ -0,0 +1,37 @@
/*****************************************************************************
* Copyright (c) 2014 Ted John
* OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
*
* This file is part of OpenRCT2.
*
* OpenRCT2 is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*****************************************************************************/
#ifndef _BANNER_H_
#define _BANNER_H_
#include "../common.h"
#define MAX_BANNERS 250
typedef struct {
uint8 var_00;
uint8 pad_01;
uint16 var_02;
uint8 pad_04[4];
} rct_banner;
extern rct_banner *gBanners;
#endif