English
- #include "ray.h"
- #include "resnames.h"
- #include "globals.h"
- #include "voxel.h"
- #include "rayfile.h"
- #include "waves.h"
- #include "prevarr.h"
- #include "scrconf.h"
- #include "gentree.h"
- #include "sprvox.h"
- #include "verttan.h"
- #define VOX_PAL_FILE "vox.pal"
- #define START_DIS VOXEL_SPEED_SCALE
- #define START_HEIGHT 3
- BOOL voxel_running=FALSE;
- PUCHAR pal_save;
- //long old_px, old_py, old_pv_angle; No longer needed as engines use one coordinate system
- void Setup_G_Table();
- void Setup_Y_Jumps();
- void Setup_Alt_Scaler();
- void Setup_H_Table();
- void Setup_Change_Table();
- inline void Del_Alt_Scaler() {
- for (short i=0; i<DIST_MAX; i++)
- DelPtr(alt_scaler[i]);
- DelPtr(alt_scaler);
- }
- void Close_Voxel()
- {
- if (!voxel_running) {
- return;
- } /* endif */
- DelPtr(g_table);
- DelPtr(y_jumps);
- Del_Alt_Scaler();
- Close_Waves();
- voxel_running=FALSE;
- }
- void Init_Voxel()
- {
- DIST_SCALER=START_DIS;
- V_Set_Dist_Scale(START_HEIGHT);
- Setup_Voxel_Tables();
- Setup_Waves();
- voxel_running=TRUE;
- Init_Vox_Sprite_Table();
- }
- void Setup_Voxel_Tables()
- {
- Setup_Y_Jumps();
- Setup_G_Table();
- Setup_Alt_Scaler();
- Setup_H_Table();
- Setup_Change_Table();
- }
- void Setup_Y_Jumps()
- {
- y_jumps=(PULONG)NewPtr(Get_Phys_Screen_Height() * sizeof(ULONG));
- if (Get_Phys_Orientation()>0) {
- ULONG cur_offset=0;
- for (USHORT cur_y=0; cur_y<Get_Phys_Screen_Height(); cur_y++) {
- y_jumps[cur_y]=cur_offset;
- cur_offset+=(ULONG)Get_Phys_Screen_Width();
- } /* endfor */
- } else {
- ULONG cur_offset=(Get_Phys_Screen_Height()-1)*Get_Phys_Screen_Width();
- for (USHORT cur_y=0; cur_y<Get_Phys_Screen_Height(); cur_y++) {
- y_jumps[cur_y]=cur_offset;
- cur_offset-=(ULONG)Get_Phys_Screen_Width();
- }
- }
- }
- void Setup_H_Table() {
- h_table=(PLONG)NewPtr(Get_Phys_Screen_Height() *2 * MAX_TABLED_HC_INTP*sizeof(long));
- short cur_height_diff, cur_r_length;
- short real_height_diff;
- for (cur_height_diff=0; cur_height_diff<(Get_Phys_Screen_Height()*2); cur_height_diff++) {
- real_height_diff=cur_height_diff-Get_Phys_Screen_Height();
- // set 0 manually as loop cause div by 0
- h_table[cur_height_diff*MAX_TABLED_HC_INTP]=0;
- for (cur_r_length=1; cur_r_length<MAX_TABLED_HC_INTP; cur_r_length++) {
- h_table[MAX_TABLED_HC_INTP*cur_height_diff+cur_r_length]=(long)
- (((long)real_height_diff << HEIGHT_CHANGE_SHIFT) /
- (long)cur_r_length);
- } /* endfor */
- } /* endif */
- }
- void Setup_Change_Table() {
- vox_change_table=(PVOID)NewPtr(Get_Phys_Screen_Width()*HCP_SIZE);
- }
- void Setup_G_Table()
- {
- g_table=(PSHORT)NewPtr((Get_Phys_Screen_Width()+1)*COLOR_DIFF_COUNT*sizeof(short));
- short cur_col_diff, cur_r_length;
- short real_col_diff;
- for (cur_col_diff=0; cur_col_diff<COLOR_DIFF_COUNT; cur_col_diff++) {
- real_col_diff=cur_col_diff-G_TABLE_ADJUST;
- // is this a color diff there is posible interpolation for
- if ((real_col_diff<MAX_INT_LIGHT_DIFF)&&(real_col_diff>MIN_INT_LIGHT_DIFF)) {
- // set 0 manually as loop cause div by 0
- g_table[cur_col_diff]=0;
- for (cur_r_length=1; cur_r_length<(Get_Phys_Screen_Width()+1); cur_r_length++) {
- g_table[COLOR_DIFF_COUNT*cur_r_length+cur_col_diff]=(short)
- (((long)real_col_diff << LIGHT_FP_SHIFT) /
- (long)cur_r_length);
- } /* endfor */
- } else {
- for (cur_r_length=0; cur_r_length<(Get_Phys_Screen_Width()+1); cur_r_length++) {
- g_table[COLOR_DIFF_COUNT*cur_r_length+cur_col_diff]=0;
- } /* endfor */
- } /* endif */
- } /* endfor */
- }
- void Setup_Alt_Scaler()
- {
- short cur_dis;
- short cur_alt;
- long temp_calc;
- // allocate altitudes
- alt_scaler=(PSHORT *)NewPtr(DIST_MAX * sizeof(PSHORT));
- for (cur_dis=0; cur_dis<DIST_MAX; cur_dis++) {
- alt_scaler[cur_dis]=(PSHORT)NewPtr(ALT_MAX * sizeof(SHORT));
- } /* endfor */
- // get screen heights by altitudes
- for (cur_dis=1; cur_dis<DIST_MAX; cur_dis++) {
- for (cur_alt=0; cur_alt<ALT_MAX; cur_alt++) {
- temp_calc=(LONG)(ALT_MAX-(cur_alt+1));
- temp_calc*=HEIGHT_SCALER;
- temp_calc*=(y_trans/(cur_dis*DIST_SCALER));
- temp_calc>>=SHIFT;
- alt_scaler[cur_dis][cur_alt]=(SHORT)temp_calc;
- } /* endfor */
- } /* endfor */
- }
- void V_Recalc_Alts()
- {
- if (voxel_running) {
- Del_Alt_Scaler();
- Setup_Alt_Scaler();
- }
- }
- void V_Recalc_Screen() {
- if (voxel_running) {
- DelPtr(y_jumps);
- DelPtr(g_table);
- DelPtr(h_table);
- DelPtr(vox_change_table);
- Setup_Y_Jumps();
- Setup_G_Table();
- Setup_H_Table();
- Setup_Change_Table();
- }
- }
- void V_Recalc_Length() {
- if (voxel_running) {
- v_horiz_length=WINDOW_WIDTH;
- }
- }
