# Last edited on 2023-12-31 10:53:09 by stolfi

# Makefile for solar energy labs
# To be included in a Makefile
# The Makefile must define ${WIDTH} ${HEIGHT} ${ICONWIDTH} ${ICONHEIGHT}

SHELL := /bin/bash

OTHERINPUTS := ${wildcard *.inc}

# Automatic "make showXXX" after "make XXX":
SHOW := YES

# Show POV-Ray progress:
POVSHOW := YES

ROOTNAME = main
POVFILE := ${ROOTNAME}.pov

# POV-Ray installation directories:
POVRAY := /usr/bin/povray
POVINC := /usr/share/povray-3.7/include/

TOPDIR := ../../..
POVTTF := tt-fonts
POVFILTER := mc937_povray_error_filter.gawk
# POVFILTER := cat 

# Note: defined with "=" rather than ":="
DIRTAIL = ${shell pwd | sed -e 's:^.*/::'}
IMVIEW = display -title "${DIRTAIL}/%f"

.PHONY: \
  vista showvista \
  plot showstrip showplot \
  runpov do-runpov
  
print-help:
	@-echo "Voce deve executar 'make <ALGO>'"
	@-echo ""
	@-echo "  'make vista'                 Mostra vista geral da cena de ângulo genérico."
	@-echo "  'make showvista'             Mostra a imagem da vista geral."
	@-echo "  'make plot'                  Gera plot da energia solar e tira com as imagens solares."
	@-echo "  'make showplot'              Mostra o plot."
	@-echo "  'make showstrip'             Mostra a tira tira com as imagens solares."
	@-echo ""
	@-echo "  'make clean'                 Remove imagens geradas."
  
# ----------------------------------------------------------------------
# Generic showXXX - caller must define ${PNGFILE}:
ifneq "/${PNGFILE}" "/"

showimage: 
	@if [[ -s ${PNGFILE} ]]; then \
          ${IMVIEW} ${PNGFILE} ; \
        else \
          echo "** file ${PNGFILE} not found" 1>&2 ; exit 1 ; \
        fi
        
endif
# ----------------------------------------------------------------------

VISPNG := ${ROOTNAME}-v.png
STRIPPNG := ${ROOTNAME}-s.png
PLOTPNG := ${ROOTNAME}-e.png

vista: ${VISPNG}
	@if [[ "/${SHOW}" == "/YES" ]]; then make showvista; fi

${VISPNG}: ${ROOTNAME.pov} calcula_energia.sh plota_energia.sh
	calcula_energia.sh NO ${SHOW} YES
        
showvista: 
	${MAKE} PNGFILE=${VISPNG} showimage


plot: ${ROOTNAME}-e.png
	@if [[ "/${SHOW}" == "/YES" ]]; then make showplot; fi

strip: ${ROOTNAME}-s.png
	@if [[ "/${SHOW}" == "/YES" ]]; then make showstrip; fi

${ROOTNAME}-e.png ${ROOTNAME}-s.png: ${ROOTNAME.pov} calcula_energia.sh plota_energia.sh
	calcula_energia.sh YES ${SHOW} NO
        
showstrip: 
	${MAKE} PNGFILE=${STRIPPNG} showimage
        
showplot: 
	${MAKE} PNGFILE=${PLOTPNG} showimage


GENPNG := ${ROOTNAME}.png

runpov: do-runpov
	-@echo "did runpov ${WIDTH} ${HEIGHT} ${POVSHOW}"
	-@ls ${GENPNG} 

######################################################################
# Running POV-Ray
# Caller must define ${WIDTH} ${HEIGHT} ${POVSHOW}
#

ifneq "/${WIDTH}" "/"
ifneq "/${HEIGHT}" "/"
ifneq "/${POVSHOW}" "/"

do-runpov: ${GENPNG}
	-@echo "did do-runpov"

ifeq "/${POVSHOW}" "/YES"
  POVSHOWOP := +D
else
  POVSHOWOP := -D
endif

${GENPNG}: ${POVFILE} ${OTHERINPUTS}
	-/bin/rm -f ${GENPNG}
	nice ${POVRAY} \
            +FN +Q9 \
            +W${WIDTH} +H${HEIGHT} \
            ${POVSHOWOP} \
            +AM1 +A0.0 +R${NRAYS} \
            +L${POVINC} \
            +L${POVTTF} \
            +I${POVFILE} \
            +O${GENPNG} \
          2>&1 \
          | ${POVFILTER}

endif
endif
endif