--- /dev/null
+#include "src/lib/16_sprite.h"
+
+char* get_curr_anim_name(struct sprite *spri)
+{
+ // Retrive animation name list
+ struct vrs_header huge *vrs = spri->spritesheet->vrs_hdr;
+ uint32_t huge *anim_names_offsets = (uint32_t huge *)
+ ((byte huge *)vrs +
+ vrs->offset_table[VRS_HEADER_OFFSET_ANIMATION_NAME_LIST]);
+
+ return (char *)(vrs + anim_names_offsets[spri->curr_anim_spri]);
+}
+
+void init_anim(struct sprite *spri, int anim_index)
+{
+ struct vrs_header huge *vrs = spri->spritesheet->vrs_hdr;
+ uint32_t huge *anim_lists_offsets = (uint32_t huge *)
+ ((byte huge *)vrs +
+ vrs->offset_table[VRS_HEADER_OFFSET_ANIMATION_LIST]);
+ struct vrs_animation_list_entry_t *anim_list = (struct vrs_animation_list_entry_t huge *)
+ ((byte huge *)vrs +
+ anim_lists_offsets[anim_index]);
+
+ // Upon new animation, start from the first sprite in it
+ spri->curr_anim_spri = 0;
+ spri->curr_spri_id = anim_list[0].sprite_id;
+ spri->delay = anim_list[0].delay;
+
+ spri->curr_anim_list = anim_list;
+}
+
+
+int set_anim_by_id(struct sprite *spri, int anim_id)
+{
+ int new_anim_index = 0;
+ int iter_id;
+ struct vrs_header huge *vrs = spri->spritesheet->vrs_hdr;
+ // Retruve animation ids list
+ uint16_t huge *anim_ids = (uint16_t huge *)
+ ((byte huge *)vrs +
+ vrs->offset_table[VRS_HEADER_OFFSET_ANIMATION_ID_LIST]);
+
+ // Loop through animation id untill match or end of list
+ while(iter_id = anim_ids[new_anim_index])
+ {
+ // Return on successful match
+ if (iter_id = anim_id)
+ {
+ init_anim(spri, new_anim_index);
+ return 0;
+ }
+ new_anim_index++;
+ }
+ return -1;
+}
+
+void print_anim_ids(struct sprite *spri)
+{
+ int new_anim_index = 0;
+ int iter_id;
+ struct vrs_header huge *vrs = spri->spritesheet->vrs_hdr;
+ // Retruve animation ids list
+ uint16_t huge *anim_ids = (uint16_t huge *)
+ ((byte huge *)vrs +
+ vrs->offset_table[VRS_HEADER_OFFSET_ANIMATION_ID_LIST]);
+
+ printf("\nPos %lld off %lld\n", (uint32_t)vrs, vrs->offset_table[VRS_HEADER_OFFSET_ANIMATION_ID_LIST]);
+ if(!anim_ids[new_anim_index])
+ exit(3);
+ // Loop through animation id untill match or end of list
+ while(iter_id = anim_ids[new_anim_index])
+ {
+ // Return on successful match
+ new_anim_index++;
+ printf("%d, ", iter_id);
+ }
+}
+
+
+void animate_spri(struct sprite *spri)
+{
+ struct vrl_container *vrl_cont;
+ // Events go here
+
+ // Draw sprite
+ vrl_cont = get_vrl_by_id(spri->spritesheet, spri->curr_spri_id);
+ draw_vrl1_vgax_modex( spri->x, spri->y,
+ vrl_cont->vrl_header, vrl_cont->line_offsets,
+ vrl_cont->buffer + sizeof(struct vrl1_vgax_header),
+ vrl_cont->size - sizeof(struct vrl1_vgax_header));
+
+ // Depending on delay, update indices
+ switch(spri->delay){
+ // Delay = 0 means that sprite should loop. Nothing to change here
+ case 0:
+ break;
+
+ // Delay = 1 means that on next time unit sprite should be changed
+ case 1:
+ spri->curr_anim_spri++;
+
+ // If we hit the end of an animation sequence, restart it
+ if(!(spri->curr_spri_id = spri->curr_anim_list[spri->curr_anim_spri].sprite_id)){
+ spri->curr_anim_spri = 0;
+ spri->curr_spri_id = spri->curr_anim_list[spri->curr_anim_spri].sprite_id;
+ }
+ spri->delay = spri->curr_anim_list[spri->curr_anim_spri].delay;
+
+ // Delay > 1 means that we should not change sprite yet. Decrease delay
+ default:
+ spri->delay--;
+ break;
+ }
+}
--- /dev/null
+/* Project 16 Source Code~
+ * Copyright (C) 2012-2016 sparky4 & pngwen & andrius4669 & joncampbell123 & yakui-lover
+ *
+ * This file is part of Project 16.
+ *
+ * Project 16 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.
+ *
+ * Project 16 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/>, or
+ * write to the Free Software Foundation, Inc., 51 Franklin Street,
+ * Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+#ifndef __16_SPRI__
+#define __16_SPRI__
+
+#include "src/lib/16_vrs.h"
+#include "src/lib/typdefst.h"
+
+struct sprite
+{
+ // VRS container from which we will extract animation and image data
+ struct vrs_container *spritesheet;
+ // Current sprite id
+ int curr_spri_id;
+ // Index of a current sprite in an animation sequence
+ int curr_anim_spri;
+ // Current animation sequence
+ struct vrs_animation_list_entry_t *curr_anim_list;
+ // Index of current animation in relevant VRS offsets table
+ int curr_anim;
+ // Delay in time units untill we should change sprite
+ int delay;
+ // Position of sprite on screen
+ int x, y;
+};
+
+/* Retrive current animation name of sprite
+* In:
+* + struct sprite *spri - sprite to retrive current animation sequence name from
+* Out:
+* + char* - animation sequence name
+*/
+char* get_curr_anim_name(struct sprite *spri);
+
+/* Change sprite's current animation to the one given by id
+ * In:
+ * struct sprite *spri - sprite to manipulate on
+ * int id - id of a new animation sequence of th sprite
+ * Out:
+ * int - 0 on success, -1 on error
+ */
+int set_anim_by_id(struct sprite *spri, int id);
+
+/* Animate sprite, triggering any events and changing indices if necessary
+ * NB: if you want to change animation sequence after a specific sprite is shown, you should call animate_spri first
+ * In:
+ * + struct sprite *spri - sprite to animate
+ */
+void animate_spri(struct sprite *spri);
+
+void print_anim_ids(struct sprite *spri);
+
+#endif
*
*/
#include "src/lib/16_vrs.h"
+#include "src/lib/typdefst.h"
// Read .vrs file into far memory
int read_vrs(global_game_variables_t *gvar, char *filename, struct vrs_container *vrs_cont){
int fd;
dword size;
+#ifdef __WATCOMC__
+ __segment seg;
+ void __based(seg)* bigbuffer;
+#endif
+#ifdef __BORLANDC__
+ memptr bigbuffer;
+#endif
byte huge *buffer;
+ vrl1_vgax_offset_t **vrl_line_offsets;
+ uint32_t huge *vrl_headers_offsets;
+ uint32_t huge *vrl_id_iter;
+ uint32_t vrl_size;
+ int num_of_vrl, i;
+ struct vrl1_vgax_header huge *curr_vrl;
+ int success;
+
// Open filename, get size of file,
// populate the vrs_container if all tests pass
- fd = open((filename), O_RDONLY|O_BINARY);
- size = filelength(fd);
- close(fd);
+ fd = open(filename, O_RDONLY|O_BINARY);
// Insert sanity cheks later
- CA_LoadFile(filename, buffer, &gvar->mm, &gvar->mmi);
+ size = lseek(fd, 0, SEEK_END);
+ buffer = malloc(size);
+ lseek(fd, 0, SEEK_SET);
+ read(fd, buffer, size);
+ close(fd);
+ if(!success)
+ {
+ fprintf(stderr, "Unablee to load file");
+ exit(3);
+ }
vrs_cont->size = size;
vrs_cont->buffer = buffer;
+
+ // Calculate vrl offsets
+
+ // Count sprites
+ vrl_id_iter = (uint32_t huge *)(buffer + vrs_cont->vrs_hdr->offset_table[VRS_HEADER_OFFSET_SPRITE_ID_LIST]);
+ while(vrl_id_iter[num_of_vrl]){
+ num_of_vrl++;
+ }
+ // Allocate memory for vrl line offsets table
+ vrl_line_offsets = malloc(sizeof(vrl1_vgax_offset_t)*num_of_vrl);
+
+ vrl_headers_offsets = (uint32_t huge *)(buffer + vrs_cont->vrs_hdr->offset_table[VRS_HEADER_OFFSET_VRS_LIST]);
+ // Calculate line offsets for each vrl
+ for(i = 0; i < num_of_vrl; i++){
+ curr_vrl = (struct vrl1_vgax_header huge *)(buffer + vrl_headers_offsets[i]);
+
+ // Calc. vrl size as (next_offset - curr_offset)
+ if (i != num_of_vrl - 1){
+ vrl_size = vrl_headers_offsets[i+1] - vrl_headers_offsets[i];
+ }
+ // If it's the last vrl, size is (next_vrs_struct_offset - curr_offset)
+ else{
+ vrl_size = vrs_cont->vrs_hdr->offset_table[VRS_HEADER_OFFSET_SPRITE_ID_LIST] - vrl_headers_offsets[i];
+ }
+ vrl_line_offsets[i] = vrl1_vgax_genlineoffsets(curr_vrl, (byte *)curr_vrl + sizeof(*curr_vrl), vrl_size - sizeof(*curr_vrl));
+ }
+ vrs_cont->vrl_line_offsets = vrl_line_offsets;
return 0;
}
// Seek and return a specified .vrl blob from .vrs blob in far memory
-struct vrl_container get_vrl_by_id(struct vrs_container /*huge*/ *vrs_cont, uint16_t id){
+struct vrl_container * get_vrl_by_id(struct vrs_container /*huge*/ *vrs_cont, uint16_t id){
uint16_t huge *ids;
- uint32_t huge *vrl_list;
+ uint32_t huge *vrl_offs_list;
struct vrl_container huge *vrl_cont;
int counter = 0;
+
// If id is invalid, return null
if(id == 0){
// Probably add an error message?
return 0;
}
+
// Get id list from .vrs blob (base + offset)
ids = (uint16_t huge*)vrs_cont->buffer +
(dword)vrs_cont->vrs_hdr->offset_table[VRS_HEADER_OFFSET_SPRITE_ID_LIST];
+
// Loop through the id list until we found the right one or hit the end of the list
// Counter is keeping track of the offset(in ids/vrl blobs)
while(ids[counter] != id && ids[counter]){
// Error message?
return 0;
}
- // Get vrl list from .vrs blob (base + offset)
- vrl_list = (uint32_t huge *)(vrs_cont->buffer +
+
+ // Get vrl offsets list from .vrs blob (base + offset)
+ vrl_offs_list = (uint32_t huge *)(vrs_cont->buffer +
vrs_cont->vrs_hdr->offset_table[VRS_HEADER_OFFSET_VRS_LIST]);
+
// Allocate memory for vrl_cont
- vrl_cont = (struct vrl_container)malloc(sizeof(struct vrl_container));
+ vrl_cont = (struct vrl_container *)malloc(sizeof(struct vrl_container));
+
// Get vrl_header from .vrs (base + offset from vrl_list)
// Counter is number of vrls to skip (ids and vrls are aligned according to the .vrs specification)
- vrl_cont->vrl_header = (struct vrl1_vgax_header huge *)(vrs_cont->buffer + vrl_list[counter]);
- // Get .vrl size by integer arithmetics (next vrl - current vrl)
- // Untested. May be an incorrect way to do so
- vrl_cont->size = vrl_list[counter+1] - vrl_list[counter];
+ vrl_cont->vrl_header = (struct vrl1_vgax_header huge *)(vrs_cont->buffer + vrl_offs_list[counter]);
+
+ // Get .vrl size by integer arithmetics (next vrl offset - current vrl offset)
+ if(ids[counter+1]){
+ vrl_cont->size = vrl_offs_list[counter+1] - vrl_offs_list[counter];
+ }
+ // If we are retriving the last vrl, size is ids_list offset - current vrl offset, as next vrl offs is 0
+ else{
+ vrl_cont->size = vrs_cont->vrs_hdr->offset_table[VRS_HEADER_OFFSET_SPRITE_ID_LIST] - vrl_offs_list[counter];
+ }
+
+ // Retrive line offsets form .vrs
+ vrl_cont->line_offsets = vrs_cont->vrl_line_offsets[counter];
+
return vrl_cont;
}
#ifndef __16_VRS__
#define __16_VRS__
-#include "src/lib/16_head.h"
#include "src/lib/modex16.h"
-#include "src/lib/16_ca.h"
-#include "src/lib/16_mm.h"
+#include "src/lib/typdefst.h"
//#include <hw/cpu/cpu.h>
//#include <hw/dos/dos.h>
-//#include <hw/vga/vga.h>
-
-// Container for .vrs files loaded in memory with useful info
-// Includes:
-// + size of the .vrs blob in memory
-// + pointer to the blob/vrs header
+#include <hw/vga/vrl.h>
+#include "src/lib/16_ca.h"
struct vrs_container{
+ // Size of a .vrs lob in memory
dword size;
union{
byte huge *buffer;
struct vrs_header huge *vrs_hdr;
};
+ // Array of corresponding vrl line offsets
+ vrl1_vgax_offset_t **vrl_line_offsets;
};
struct vrl_container{
+ // Size of a .vrl blob in memory
dword size;
union{
byte huge *buffer;
struct vrl1_vgax_header huge *vrl_header;
};
+ // Pointer to a corresponding vrl line offsets struct
+ vrl1_vgax_offset_t *line_offsets;
};
-// Read .vrs file into memory
-// In:
-// + char *filename - name of the file to load
-// + struct vrs_container *vrs_cont - pointer to the vrs_container
-// to load the file into
-// Out:
-// + int - 0 on succes, 1 on failure
+/* Read .vrs file into memory
+* In:
+* + char *filename - name of the file to load
+* + struct vrs_container *vrs_cont - pointer to the vrs_container
+* to load the file into
+* Out:
+* + int - 0 on succes, 1 on failure
+*/
int read_vrs(global_game_variables_t *gvar, char *filename, struct vrs_container *vrs_cont);
-// Seek and return a specified .vrl blob from .vrs blob in memory
-// In:
-// + struct vrs_container *vrs_cont - pointer to the vrs_container
-// with a loaded .vrs file
-// + uint16_t id - id of the vrl to retrive
-// Out:
-// struct vrl_container* - a pointer to a vrl_container with a pointer
-// to the requested .vrl blob
-struct vrl_container* get_vrl_by_id(struct vrs_container *vrs_cont, uint16_t id);
+/* Seek and return a specified .vrl blob from .vrs blob in memory
+* In:
+* + struct vrs_container *vrs_cont - pointer to the vrs_container
+* with a loaded .vrs file
+* + uint16_t id - id of the vrl to retrive
+* Out:
+* struct vrl_container* - a pointer to a vrl_container with a pointer
+* to the requested .vrl blob
+*/
+struct vrl_container * get_vrl_by_id(struct vrs_container *vrs_cont, uint16_t id);
#endif
projects / 16.git / commitdiff